20280265825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{1987}}^1\times {\mathrm{7703}}^1$

素因数の和:9753

約数の個数: 24

約数和(自身を含む): 25638234048

約数和(自身を除く): 5357968223

約数列:

[1, 5, 25, 53, 265, 1325, 1987, 7703, 9935, 38515, 49675, 105311, 192575, 408259, 526555, 2041295, 2632775, 10206475, 15305861, 76529305, 382646525, 811210633, 4056053165, 20280265825]

約数ペア:

[(1, 20280265825), (5, 4056053165), (25, 811210633), (53, 382646525), (265, 76529305), (1325, 15305861), (1987, 10206475), (7703, 2632775), (9935, 2041295), (38515, 526555), (49675, 408259), (105311, 192575)]