218983480

素因数分解:

$2^3\times 5^1\times {\mathrm{5474587}}^1$

素因数の和:5474598

約数の個数: 16

約数和(自身を含む): 492712920

約数和(自身を除く): 273729440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5474587, 10949174, 21898348, 27372935, 43796696, 54745870, 109491740, 218983480]

約数ペア:

[(1, 218983480), (2, 109491740), (4, 54745870), (5, 43796696), (8, 27372935), (10, 21898348), (20, 10949174), (40, 5474587)]