89648020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 96

約数和(自身を含む): 245016576

約数和(自身を除く): 155368556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 2531, 3220, 3542, 5060, 5062, 7084, 8855, 10124, 12655, 17710, 17717, 25310, 27841, 35420, 35434, 50620, 55682, 58213, 70868, 88585, 111364, 116426, 139205, 177170, 194887, 232852, 278410, 291065, 354340, 389774, 407491, 556820, 582130, 640343, 779548, 814982, 974435, 1164260, 1280686, 1629964, 1948870, 2037455, 2561372, 3201715, 3897740, 4074910, 4482401, 6403430, 8149820, 8964802, 12806860, 17929604, 22412005, 44824010, 89648020]

約数ペア:

[(1, 89648020), (2, 44824010), (4, 22412005), (5, 17929604), (7, 12806860), (10, 8964802), (11, 8149820), (14, 6403430), (20, 4482401), (22, 4074910), (23, 3897740), (28, 3201715), (35, 2561372), (44, 2037455), (46, 1948870), (55, 1629964), (70, 1280686), (77, 1164260), (92, 974435), (110, 814982), (115, 779548), (140, 640343), (154, 582130), (161, 556820), (220, 407491), (230, 389774), (253, 354340), (308, 291065), (322, 278410), (385, 232852), (460, 194887), (506, 177170), (644, 139205), (770, 116426), (805, 111364), (1012, 88585), (1265, 70868), (1540, 58213), (1610, 55682), (1771, 50620), (2530, 35434), (2531, 35420), (3220, 27841), (3542, 25310), (5060, 17717), (5062, 17710), (7084, 12655), (8855, 10124)]