39940760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26987}}^1$

素因数の和:27035

約数の個数: 32

約数和(自身を含む): 92298960

約数和(自身を除く): 52358200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 26987, 53974, 107948, 134935, 215896, 269870, 539740, 998519, 1079480, 1997038, 3994076, 4992595, 7988152, 9985190, 19970380, 39940760]

約数ペア:

[(1, 39940760), (2, 19970380), (4, 9985190), (5, 7988152), (8, 4992595), (10, 3994076), (20, 1997038), (37, 1079480), (40, 998519), (74, 539740), (148, 269870), (185, 215896), (296, 134935), (370, 107948), (740, 53974), (1480, 26987)]