89391640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 218836800

約数和(自身を除く): 129445160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 1669, 2060, 2678, 3338, 4120, 5356, 6676, 6695, 8345, 10712, 13352, 13390, 16690, 21697, 26780, 33380, 43394, 53560, 66760, 86788, 108485, 171907, 173576, 216970, 343814, 433940, 687628, 859535, 867880, 1375256, 1719070, 2234791, 3438140, 4469582, 6876280, 8939164, 11173955, 17878328, 22347910, 44695820, 89391640]

約数ペア:

[(1, 89391640), (2, 44695820), (4, 22347910), (5, 17878328), (8, 11173955), (10, 8939164), (13, 6876280), (20, 4469582), (26, 3438140), (40, 2234791), (52, 1719070), (65, 1375256), (103, 867880), (104, 859535), (130, 687628), (206, 433940), (260, 343814), (412, 216970), (515, 173576), (520, 171907), (824, 108485), (1030, 86788), (1339, 66760), (1669, 53560), (2060, 43394), (2678, 33380), (3338, 26780), (4120, 21697), (5356, 16690), (6676, 13390), (6695, 13352), (8345, 10712)]