125026280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4831}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 281802240

約数和(自身を除く): 156775960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 4831, 5176, 6470, 9662, 12940, 19324, 24155, 25880, 38648, 48310, 96620, 193240, 3125657, 6251314, 12502628, 15628285, 25005256, 31256570, 62513140, 125026280]

約数ペア:

[(1, 125026280), (2, 62513140), (4, 31256570), (5, 25005256), (8, 15628285), (10, 12502628), (20, 6251314), (40, 3125657), (647, 193240), (1294, 96620), (2588, 48310), (3235, 38648), (4831, 25880), (5176, 24155), (6470, 19324), (9662, 12940)]