81518200

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3607}}^1$

素因数の和:3736

約数の個数: 48

約数和(自身を含む): 191260080

約数和(自身を除く): 109741880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 452, 565, 904, 1130, 2260, 2825, 3607, 4520, 5650, 7214, 11300, 14428, 18035, 22600, 28856, 36070, 72140, 90175, 144280, 180350, 360700, 407591, 721400, 815182, 1630364, 2037955, 3260728, 4075910, 8151820, 10189775, 16303640, 20379550, 40759100, 81518200]

約数ペア:

[(1, 81518200), (2, 40759100), (4, 20379550), (5, 16303640), (8, 10189775), (10, 8151820), (20, 4075910), (25, 3260728), (40, 2037955), (50, 1630364), (100, 815182), (113, 721400), (200, 407591), (226, 360700), (452, 180350), (565, 144280), (904, 90175), (1130, 72140), (2260, 36070), (2825, 28856), (3607, 22600), (4520, 18035), (5650, 14428), (7214, 11300)]