13813720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8423}}^1$

素因数の和:8475

約数の個数: 32

約数和(自身を含む): 31842720

約数和(自身を除く): 18029000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8423, 16846, 33692, 42115, 67384, 84230, 168460, 336920, 345343, 690686, 1381372, 1726715, 2762744, 3453430, 6906860, 13813720]

約数ペア:

[(1, 13813720), (2, 6906860), (4, 3453430), (5, 2762744), (8, 1726715), (10, 1381372), (20, 690686), (40, 345343), (41, 336920), (82, 168460), (164, 84230), (205, 67384), (328, 42115), (410, 33692), (820, 16846), (1640, 8423)]