127193620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{205151}}^1$

素因数の和:205191

約数の個数: 24

約数和(自身を含む): 275724288

約数和(自身を除く): 148530668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 205151, 410302, 820604, 1025755, 2051510, 4103020, 6359681, 12719362, 25438724, 31798405, 63596810, 127193620]

約数ペア:

[(1, 127193620), (2, 63596810), (4, 31798405), (5, 25438724), (10, 12719362), (20, 6359681), (31, 4103020), (62, 2051510), (124, 1025755), (155, 820604), (310, 410302), (620, 205151)]