15671879980

素因数分解:

$2^2\times 5^1\times {\mathrm{17981}}^1\times {\mathrm{43579}}^1$

素因数の和:61569

約数の個数: 24

約数和(自身を含む): 32913533520

約数和(自身を除く): 17241653540

約数列:

[1, 2, 4, 5, 10, 20, 17981, 35962, 43579, 71924, 87158, 89905, 174316, 179810, 217895, 359620, 435790, 871580, 783593999, 1567187998, 3134375996, 3917969995, 7835939990, 15671879980]

約数ペア:

[(1, 15671879980), (2, 7835939990), (4, 3917969995), (5, 3134375996), (10, 1567187998), (20, 783593999), (17981, 871580), (35962, 435790), (43579, 359620), (71924, 217895), (87158, 179810), (89905, 174316)]