39278320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25841}}^1$

素因数の和:25873

約数の個数: 40

約数和(自身を含む): 96132240

約数和(自身を除く): 56853920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 25841, 51682, 103364, 129205, 206728, 258410, 413456, 490979, 516820, 981958, 1033640, 1963916, 2067280, 2454895, 3927832, 4909790, 7855664, 9819580, 19639160, 39278320]

約数ペア:

[(1, 39278320), (2, 19639160), (4, 9819580), (5, 7855664), (8, 4909790), (10, 3927832), (16, 2454895), (19, 2067280), (20, 1963916), (38, 1033640), (40, 981958), (76, 516820), (80, 490979), (95, 413456), (152, 258410), (190, 206728), (304, 129205), (380, 103364), (760, 51682), (1520, 25841)]