51348520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{457}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 118012860

約数和(自身を除く): 66664340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 457, 530, 914, 1060, 1828, 2120, 2285, 2809, 3656, 4570, 5618, 9140, 11236, 14045, 18280, 22472, 24221, 28090, 48442, 56180, 96884, 112360, 121105, 193768, 242210, 484420, 968840, 1283713, 2567426, 5134852, 6418565, 10269704, 12837130, 25674260, 51348520]

約数ペア:

[(1, 51348520), (2, 25674260), (4, 12837130), (5, 10269704), (8, 6418565), (10, 5134852), (20, 2567426), (40, 1283713), (53, 968840), (106, 484420), (212, 242210), (265, 193768), (424, 121105), (457, 112360), (530, 96884), (914, 56180), (1060, 48442), (1828, 28090), (2120, 24221), (2285, 22472), (2809, 18280), (3656, 14045), (4570, 11236), (5618, 9140)]