64035920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 162906240

約数和(自身を除く): 98870320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 919, 1040, 1072, 1340, 1742, 1838, 2680, 3484, 3676, 4355, 4595, 5360, 6968, 7352, 8710, 9190, 11947, 13936, 14704, 17420, 18380, 23894, 34840, 36760, 47788, 59735, 61573, 69680, 73520, 95576, 119470, 123146, 191152, 238940, 246292, 307865, 477880, 492584, 615730, 800449, 955760, 985168, 1231460, 1600898, 2462920, 3201796, 4002245, 4925840, 6403592, 8004490, 12807184, 16008980, 32017960, 64035920]

約数ペア:

[(1, 64035920), (2, 32017960), (4, 16008980), (5, 12807184), (8, 8004490), (10, 6403592), (13, 4925840), (16, 4002245), (20, 3201796), (26, 2462920), (40, 1600898), (52, 1231460), (65, 985168), (67, 955760), (80, 800449), (104, 615730), (130, 492584), (134, 477880), (208, 307865), (260, 246292), (268, 238940), (335, 191152), (520, 123146), (536, 119470), (670, 95576), (871, 73520), (919, 69680), (1040, 61573), (1072, 59735), (1340, 47788), (1742, 36760), (1838, 34840), (2680, 23894), (3484, 18380), (3676, 17420), (4355, 14704), (4595, 13936), (5360, 11947), (6968, 9190), (7352, 8710)]