61782025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 80619840

約数和(自身を除く): 18837815

約数列:

[1, 5, 23, 25, 115, 139, 575, 695, 773, 3197, 3475, 3865, 15985, 17779, 19325, 79925, 88895, 107447, 444475, 537235, 2471281, 2686175, 12356405, 61782025]

約数ペア:

[(1, 61782025), (5, 12356405), (23, 2686175), (25, 2471281), (115, 537235), (139, 444475), (575, 107447), (695, 88895), (773, 79925), (3197, 19325), (3475, 17779), (3865, 15985)]