77489660

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{4253}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 162945216

約数和(自身を除く): 85455556

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4253, 4555, 8506, 9110, 17012, 18220, 21265, 42530, 85060, 3874483, 7748966, 15497932, 19372415, 38744830, 77489660]

約数ペア:

[(1, 77489660), (2, 38744830), (4, 19372415), (5, 15497932), (10, 7748966), (20, 3874483), (911, 85060), (1822, 42530), (3644, 21265), (4253, 18220), (4555, 17012), (8506, 9110)]