2013440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 108

約数和(自身を含む): 5708892

約数和(自身を除く): 3695452

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, 520, 572, 605, 640, 704, 715, 832, 880, 968, 1040, 1144, 1210, 1280, 1408, 1430, 1573, 1664, 1760, 1936, 2080, 2288, 2420, 2816, 2860, 3146, 3328, 3520, 3872, 4160, 4576, 4840, 5720, 6292, 7040, 7744, 7865, 8320, 9152, 9680, 11440, 12584, 14080, 15488, 15730, 16640, 18304, 19360, 22880, 25168, 30976, 31460, 36608, 38720, 45760, 50336, 62920, 77440, 91520, 100672, 125840, 154880, 183040, 201344, 251680, 402688, 503360, 1006720, 2013440]

約数ペア:

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