65156225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{599}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 85560000

約数和(自身を除く): 20403775

約数列:

[1, 5, 19, 25, 95, 229, 475, 599, 1145, 2995, 4351, 5725, 11381, 14975, 21755, 56905, 108775, 137171, 284525, 685855, 2606249, 3429275, 13031245, 65156225]

約数ペア:

[(1, 65156225), (5, 13031245), (19, 3429275), (25, 2606249), (95, 685855), (229, 284525), (475, 137171), (599, 108775), (1145, 56905), (2995, 21755), (4351, 14975), (5725, 11381)]