11780620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19001}}^1$

素因数の和:19041

約数の個数: 24

約数和(自身を含む): 25538688

約数和(自身を除く): 13758068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19001, 38002, 76004, 95005, 190010, 380020, 589031, 1178062, 2356124, 2945155, 5890310, 11780620]

約数ペア:

[(1, 11780620), (2, 5890310), (4, 2945155), (5, 2356124), (10, 1178062), (20, 589031), (31, 380020), (62, 190010), (124, 95005), (155, 76004), (310, 38002), (620, 19001)]