128120875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 165582144

約数和(自身を除く): 37461269

約数列:

[1, 5, 25, 53, 83, 125, 233, 265, 415, 1165, 1325, 2075, 4399, 5825, 6625, 10375, 12349, 19339, 21995, 29125, 61745, 96695, 109975, 308725, 483475, 549875, 1024967, 1543625, 2417375, 5124835, 25624175, 128120875]

約数ペア:

[(1, 128120875), (5, 25624175), (25, 5124835), (53, 2417375), (83, 1543625), (125, 1024967), (233, 549875), (265, 483475), (415, 308725), (1165, 109975), (1325, 96695), (2075, 61745), (4399, 29125), (5825, 21995), (6625, 19339), (10375, 12349)]