13211750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 25328160

約数和(自身を除く): 12116410

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 1229, 2150, 2458, 5375, 6145, 10750, 12290, 30725, 52847, 61450, 105694, 153625, 264235, 307250, 528470, 1321175, 2642350, 6605875, 13211750]

約数ペア:

[(1, 13211750), (2, 6605875), (5, 2642350), (10, 1321175), (25, 528470), (43, 307250), (50, 264235), (86, 153625), (125, 105694), (215, 61450), (250, 52847), (430, 30725), (1075, 12290), (1229, 10750), (2150, 6145), (2458, 5375)]