42659875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 56010240

約数和(自身を除く): 13350365

約数列:

[1, 5, 25, 31, 101, 109, 125, 155, 505, 545, 775, 2525, 2725, 3131, 3379, 3875, 11009, 12625, 13625, 15655, 16895, 55045, 78275, 84475, 275225, 341279, 391375, 422375, 1376125, 1706395, 8531975, 42659875]

約数ペア:

[(1, 42659875), (5, 8531975), (25, 1706395), (31, 1376125), (101, 422375), (109, 391375), (125, 341279), (155, 275225), (505, 84475), (545, 78275), (775, 55045), (2525, 16895), (2725, 15655), (3131, 13625), (3379, 12625), (3875, 11009)]