40802990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 75349440

約数和(自身を除く): 34546450

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 505, 569, 710, 1010, 1138, 2845, 5690, 7171, 14342, 35855, 40399, 57469, 71710, 80798, 114938, 201995, 287345, 403990, 574690, 4080299, 8160598, 20401495, 40802990]

約数ペア:

[(1, 40802990), (2, 20401495), (5, 8160598), (10, 4080299), (71, 574690), (101, 403990), (142, 287345), (202, 201995), (355, 114938), (505, 80798), (569, 71710), (710, 57469), (1010, 40399), (1138, 35855), (2845, 14342), (5690, 7171)]