25545460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31153}}^1$

素因数の和:31203

約数の個数: 24

約数和(自身を含む): 54955656

約数和(自身を除く): 29410196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31153, 62306, 124612, 155765, 311530, 623060, 1277273, 2554546, 5109092, 6386365, 12772730, 25545460]

約数ペア:

[(1, 25545460), (2, 12772730), (4, 6386365), (5, 5109092), (10, 2554546), (20, 1277273), (41, 623060), (82, 311530), (164, 155765), (205, 124612), (410, 62306), (820, 31153)]