39902720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 113430240

約数和(自身を除く): 73527520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 109, 110, 128, 130, 143, 160, 176, 208, 218, 220, 256, 260, 286, 320, 352, 416, 436, 440, 512, 520, 545, 572, 640, 704, 715, 832, 872, 880, 1040, 1090, 1144, 1199, 1280, 1408, 1417, 1430, 1664, 1744, 1760, 2080, 2180, 2288, 2398, 2560, 2816, 2834, 2860, 3328, 3488, 3520, 4160, 4360, 4576, 4796, 5632, 5668, 5720, 5995, 6656, 6976, 7040, 7085, 8320, 8720, 9152, 9592, 11336, 11440, 11990, 13952, 14080, 14170, 15587, 16640, 17440, 18304, 19184, 22672, 22880, 23980, 27904, 28160, 28340, 31174, 33280, 34880, 36608, 38368, 45344, 45760, 47960, 55808, 56680, 62348, 69760, 73216, 76736, 77935, 90688, 91520, 95920, 113360, 124696, 139520, 153472, 155870, 181376, 183040, 191840, 226720, 249392, 279040, 306944, 311740, 362752, 366080, 383680, 453440, 498784, 613888, 623480, 725504, 767360, 906880, 997568, 1246960, 1534720, 1813760, 1995136, 2493920, 3069440, 3627520, 3990272, 4987840, 7980544, 9975680, 19951360, 39902720]

約数ペア:

[(1, 39902720), (2, 19951360), (4, 9975680), (5, 7980544), (8, 4987840), (10, 3990272), (11, 3627520), (13, 3069440), (16, 2493920), (20, 1995136), (22, 1813760), (26, 1534720), (32, 1246960), (40, 997568), (44, 906880), (52, 767360), (55, 725504), (64, 623480), (65, 613888), (80, 498784), (88, 453440), (104, 383680), (109, 366080), (110, 362752), (128, 311740), (130, 306944), (143, 279040), (160, 249392), (176, 226720), (208, 191840), (218, 183040), (220, 181376), (256, 155870), (260, 153472), (286, 139520), (320, 124696), (352, 113360), (416, 95920), (436, 91520), (440, 90688), (512, 77935), (520, 76736), (545, 73216), (572, 69760), (640, 62348), (704, 56680), (715, 55808), (832, 47960), (872, 45760), (880, 45344), (1040, 38368), (1090, 36608), (1144, 34880), (1199, 33280), (1280, 31174), (1408, 28340), (1417, 28160), (1430, 27904), (1664, 23980), (1744, 22880), (1760, 22672), (2080, 19184), (2180, 18304), (2288, 17440), (2398, 16640), (2560, 15587), (2816, 14170), (2834, 14080), (2860, 13952), (3328, 11990), (3488, 11440), (3520, 11336), (4160, 9592), (4360, 9152), (4576, 8720), (4796, 8320), (5632, 7085), (5668, 7040), (5720, 6976), (5995, 6656)]