4026880

素因数分解:

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

素因数の和:58

約数の個数: 120

約数和(自身を含む): 11428956

約数和(自身を除く): 7402076

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, 110, 121, 128, 130, 143, 160, 176, 208, 220, 242, 256, 260, 286, 320, 352, 416, 440, 484, 512, 520, 572, 605, 640, 704, 715, 832, 880, 968, 1040, 1144, 1210, 1280, 1408, 1430, 1573, 1664, 1760, 1936, 2080, 2288, 2420, 2560, 2816, 2860, 3146, 3328, 3520, 3872, 4160, 4576, 4840, 5632, 5720, 6292, 6656, 7040, 7744, 7865, 8320, 9152, 9680, 11440, 12584, 14080, 15488, 15730, 16640, 18304, 19360, 22880, 25168, 28160, 30976, 31460, 33280, 36608, 38720, 45760, 50336, 61952, 62920, 73216, 77440, 91520, 100672, 125840, 154880, 183040, 201344, 251680, 309760, 366080, 402688, 503360, 805376, 1006720, 2013440, 4026880]

約数ペア:

[(1, 4026880), (2, 2013440), (4, 1006720), (5, 805376), (8, 503360), (10, 402688), (11, 366080), (13, 309760), (16, 251680), (20, 201344), (22, 183040), (26, 154880), (32, 125840), (40, 100672), (44, 91520), (52, 77440), (55, 73216), (64, 62920), (65, 61952), (80, 50336), (88, 45760), (104, 38720), (110, 36608), (121, 33280), (128, 31460), (130, 30976), (143, 28160), (160, 25168), (176, 22880), (208, 19360), (220, 18304), (242, 16640), (256, 15730), (260, 15488), (286, 14080), (320, 12584), (352, 11440), (416, 9680), (440, 9152), (484, 8320), (512, 7865), (520, 7744), (572, 7040), (605, 6656), (640, 6292), (704, 5720), (715, 5632), (832, 4840), (880, 4576), (968, 4160), (1040, 3872), (1144, 3520), (1210, 3328), (1280, 3146), (1408, 2860), (1430, 2816), (1573, 2560), (1664, 2420), (1760, 2288), (1936, 2080)]