38784040

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1181}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 87444360

約数和(自身を除く): 48660320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1181, 1642, 2362, 3284, 4105, 4724, 5905, 6568, 8210, 9448, 11810, 16420, 23620, 32840, 47240, 969601, 1939202, 3878404, 4848005, 7756808, 9696010, 19392020, 38784040]

約数ペア:

[(1, 38784040), (2, 19392020), (4, 9696010), (5, 7756808), (8, 4848005), (10, 3878404), (20, 1939202), (40, 969601), (821, 47240), (1181, 32840), (1642, 23620), (2362, 16420), (3284, 11810), (4105, 9448), (4724, 8210), (5905, 6568)]