67536820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 153348048

約数和(自身を除く): 85811228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 617, 842, 1234, 1684, 2105, 2468, 3085, 4210, 5473, 6170, 8021, 8420, 10946, 12340, 16042, 21892, 27365, 32084, 40105, 54730, 80210, 109460, 160420, 259757, 519514, 1039028, 1298785, 2597570, 3376841, 5195140, 6753682, 13507364, 16884205, 33768410, 67536820]

約数ペア:

[(1, 67536820), (2, 33768410), (4, 16884205), (5, 13507364), (10, 6753682), (13, 5195140), (20, 3376841), (26, 2597570), (52, 1298785), (65, 1039028), (130, 519514), (260, 259757), (421, 160420), (617, 109460), (842, 80210), (1234, 54730), (1684, 40105), (2105, 32084), (2468, 27365), (3085, 21892), (4210, 16042), (5473, 12340), (6170, 10946), (8021, 8420)]