6677840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6421}}^1$

素因数の和:6447

約数の個数: 40

約数和(自身を含む): 16722888

約数和(自身を除く): 10045048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6421, 12842, 25684, 32105, 51368, 64210, 83473, 102736, 128420, 166946, 256840, 333892, 417365, 513680, 667784, 834730, 1335568, 1669460, 3338920, 6677840]

約数ペア:

[(1, 6677840), (2, 3338920), (4, 1669460), (5, 1335568), (8, 834730), (10, 667784), (13, 513680), (16, 417365), (20, 333892), (26, 256840), (40, 166946), (52, 128420), (65, 102736), (80, 83473), (104, 64210), (130, 51368), (208, 32105), (260, 25684), (520, 12842), (1040, 6421)]