40538780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106681}}^1$

素因数の和:106709

約数の個数: 24

約数和(自身を含む): 89612880

約数和(自身を除く): 49074100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 106681, 213362, 426724, 533405, 1066810, 2026939, 2133620, 4053878, 8107756, 10134695, 20269390, 40538780]

約数ペア:

[(1, 40538780), (2, 20269390), (4, 10134695), (5, 8107756), (10, 4053878), (19, 2133620), (20, 2026939), (38, 1066810), (76, 533405), (95, 426724), (190, 213362), (380, 106681)]