31460980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16217}}^1$

素因数の和:16323

約数の個数: 24

約数和(自身を含む): 66753288

約数和(自身を除く): 35292308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16217, 32434, 64868, 81085, 162170, 324340, 1573049, 3146098, 6292196, 7865245, 15730490, 31460980]

約数ペア:

[(1, 31460980), (2, 15730490), (4, 7865245), (5, 6292196), (10, 3146098), (20, 1573049), (97, 324340), (194, 162170), (388, 81085), (485, 64868), (970, 32434), (1940, 16217)]