79880980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{54713}}^1$

素因数の和:54795

約数の個数: 24

約数和(自身を含む): 170051112

約数和(自身を除く): 90170132

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 54713, 109426, 218852, 273565, 547130, 1094260, 3994049, 7988098, 15976196, 19970245, 39940490, 79880980]

約数ペア:

[(1, 79880980), (2, 39940490), (4, 19970245), (5, 15976196), (10, 7988098), (20, 3994049), (73, 1094260), (146, 547130), (292, 273565), (365, 218852), (730, 109426), (1460, 54713)]