28702920980

素因数分解:

$2^2\times 5^1\times {\mathrm{1435146049}}^1$

素因数の和:1435146058

約数の個数: 12

約数和(自身を含む): 60276134100

約数和(自身を除く): 31573213120

約数列:

[1, 2, 4, 5, 10, 20, 1435146049, 2870292098, 5740584196, 7175730245, 14351460490, 28702920980]

約数ペア:

[(1, 28702920980), (2, 14351460490), (4, 7175730245), (5, 5740584196), (10, 2870292098), (20, 1435146049)]