13355680

素因数分解:

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

素因数の和:6449

約数の個数: 48

約数和(自身を含む): 33985224

約数和(自身を除く): 20629544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6421, 12842, 25684, 32105, 51368, 64210, 83473, 102736, 128420, 166946, 205472, 256840, 333892, 417365, 513680, 667784, 834730, 1027360, 1335568, 1669460, 2671136, 3338920, 6677840, 13355680]

約数ペア:

[(1, 13355680), (2, 6677840), (4, 3338920), (5, 2671136), (8, 1669460), (10, 1335568), (13, 1027360), (16, 834730), (20, 667784), (26, 513680), (32, 417365), (40, 333892), (52, 256840), (65, 205472), (80, 166946), (104, 128420), (130, 102736), (160, 83473), (208, 64210), (260, 51368), (416, 32105), (520, 25684), (1040, 12842), (2080, 6421)]