127163240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102551}}^1$

素因数の和:102593

約数の個数: 32

約数和(自身を含む): 295349760

約数和(自身を除く): 168186520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102551, 205102, 410204, 512755, 820408, 1025510, 2051020, 3179081, 4102040, 6358162, 12716324, 15895405, 25432648, 31790810, 63581620, 127163240]

約数ペア:

[(1, 127163240), (2, 63581620), (4, 31790810), (5, 25432648), (8, 15895405), (10, 12716324), (20, 6358162), (31, 4102040), (40, 3179081), (62, 2051020), (124, 1025510), (155, 820408), (248, 512755), (310, 410204), (620, 205102), (1240, 102551)]