210523640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{19421}}^1$

素因数の和:19703

約数の個数: 32

約数和(自身を含む): 475450560

約数和(自身を除く): 264926920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 19421, 38842, 77684, 97105, 155368, 194210, 388420, 776840, 5263091, 10526182, 21052364, 26315455, 42104728, 52630910, 105261820, 210523640]

約数ペア:

[(1, 210523640), (2, 105261820), (4, 52630910), (5, 42104728), (8, 26315455), (10, 21052364), (20, 10526182), (40, 5263091), (271, 776840), (542, 388420), (1084, 194210), (1355, 155368), (2168, 97105), (2710, 77684), (5420, 38842), (10840, 19421)]