40364210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 74390400

約数和(自身を除く): 34026190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 409, 695, 710, 818, 1390, 2045, 4090, 9869, 19738, 29039, 49345, 56851, 58078, 98690, 113702, 145195, 284255, 290390, 568510, 4036421, 8072842, 20182105, 40364210]

約数ペア:

[(1, 40364210), (2, 20182105), (5, 8072842), (10, 4036421), (71, 568510), (139, 290390), (142, 284255), (278, 145195), (355, 113702), (409, 98690), (695, 58078), (710, 56851), (818, 49345), (1390, 29039), (2045, 19738), (4090, 9869)]