63409840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3254

約数の個数: 80

約数和(自身を含む): 167176800

約数和(自身を除く): 103766960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3209, 3952, 4940, 6418, 9880, 12836, 16045, 19760, 25672, 32090, 41717, 51344, 60971, 64180, 83434, 121942, 128360, 166868, 208585, 243884, 256720, 304855, 333736, 417170, 487768, 609710, 667472, 792623, 834340, 975536, 1219420, 1585246, 1668680, 2438840, 3170492, 3337360, 3963115, 4877680, 6340984, 7926230, 12681968, 15852460, 31704920, 63409840]

約数ペア:

[(1, 63409840), (2, 31704920), (4, 15852460), (5, 12681968), (8, 7926230), (10, 6340984), (13, 4877680), (16, 3963115), (19, 3337360), (20, 3170492), (26, 2438840), (38, 1668680), (40, 1585246), (52, 1219420), (65, 975536), (76, 834340), (80, 792623), (95, 667472), (104, 609710), (130, 487768), (152, 417170), (190, 333736), (208, 304855), (247, 256720), (260, 243884), (304, 208585), (380, 166868), (494, 128360), (520, 121942), (760, 83434), (988, 64180), (1040, 60971), (1235, 51344), (1520, 41717), (1976, 32090), (2470, 25672), (3209, 19760), (3952, 16045), (4940, 12836), (6418, 9880)]