89366875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 127534176

約数和(自身を除く): 38167301

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 625, 647, 1105, 1625, 2125, 3235, 5525, 8125, 8411, 10625, 10999, 16175, 27625, 42055, 54995, 80875, 138125, 142987, 210275, 274975, 404375, 714935, 1051375, 1374875, 3574675, 5256875, 6874375, 17873375, 89366875]

約数ペア:

[(1, 89366875), (5, 17873375), (13, 6874375), (17, 5256875), (25, 3574675), (65, 1374875), (85, 1051375), (125, 714935), (221, 404375), (325, 274975), (425, 210275), (625, 142987), (647, 138125), (1105, 80875), (1625, 54995), (2125, 42055), (3235, 27625), (5525, 16175), (8125, 10999), (8411, 10625)]