85934840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 198288000

約数和(自身を除く): 112353160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 101, 178, 202, 239, 356, 404, 445, 478, 505, 712, 808, 890, 956, 1010, 1195, 1780, 1912, 2020, 2390, 3560, 4040, 4780, 8989, 9560, 17978, 21271, 24139, 35956, 42542, 44945, 48278, 71912, 85084, 89890, 96556, 106355, 120695, 170168, 179780, 193112, 212710, 241390, 359560, 425420, 482780, 850840, 965560, 2148371, 4296742, 8593484, 10741855, 17186968, 21483710, 42967420, 85934840]

約数ペア:

[(1, 85934840), (2, 42967420), (4, 21483710), (5, 17186968), (8, 10741855), (10, 8593484), (20, 4296742), (40, 2148371), (89, 965560), (101, 850840), (178, 482780), (202, 425420), (239, 359560), (356, 241390), (404, 212710), (445, 193112), (478, 179780), (505, 170168), (712, 120695), (808, 106355), (890, 96556), (956, 89890), (1010, 85084), (1195, 71912), (1780, 48278), (1912, 44945), (2020, 42542), (2390, 35956), (3560, 24139), (4040, 21271), (4780, 17978), (8989, 9560)]