251943280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11621}}^1$

素因数の和:11905

約数の個数: 40

約数和(自身を含む): 587980224

約数和(自身を除く): 336036944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 10840, 11621, 21680, 23242, 46484, 58105, 92968, 116210, 185936, 232420, 464840, 929680, 3149291, 6298582, 12597164, 15746455, 25194328, 31492910, 50388656, 62985820, 125971640, 251943280]

約数ペア:

[(1, 251943280), (2, 125971640), (4, 62985820), (5, 50388656), (8, 31492910), (10, 25194328), (16, 15746455), (20, 12597164), (40, 6298582), (80, 3149291), (271, 929680), (542, 464840), (1084, 232420), (1355, 185936), (2168, 116210), (2710, 92968), (4336, 58105), (5420, 46484), (10840, 23242), (11621, 21680)]