25553860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67247}}^1$

素因数の和:67275

約数の個数: 24

約数和(自身を含む): 56488320

約数和(自身を除く): 30934460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67247, 134494, 268988, 336235, 672470, 1277693, 1344940, 2555386, 5110772, 6388465, 12776930, 25553860]

約数ペア:

[(1, 25553860), (2, 12776930), (4, 6388465), (5, 5110772), (10, 2555386), (19, 1344940), (20, 1277693), (38, 672470), (76, 336235), (95, 268988), (190, 134494), (380, 67247)]