78483920

素因数分解:

$2^4\times 5^1\times {\mathrm{981049}}^1$

素因数の和:981062

約数の個数: 20

約数和(自身を含む): 182475300

約数和(自身を除く): 103991380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 981049, 1962098, 3924196, 4905245, 7848392, 9810490, 15696784, 19620980, 39241960, 78483920]

約数ペア:

[(1, 78483920), (2, 39241960), (4, 19620980), (5, 15696784), (8, 9810490), (10, 7848392), (16, 4905245), (20, 3924196), (40, 1962098), (80, 981049)]