40806320

素因数分解:

$2^4\times 5^1\times {\mathrm{510079}}^1$

素因数の和:510092

約数の個数: 20

約数和(自身を含む): 94874880

約数和(自身を除く): 54068560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510079, 1020158, 2040316, 2550395, 4080632, 5100790, 8161264, 10201580, 20403160, 40806320]

約数ペア:

[(1, 40806320), (2, 20403160), (4, 10201580), (5, 8161264), (8, 5100790), (10, 4080632), (16, 2550395), (20, 2040316), (40, 1020158), (80, 510079)]