39672875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 56600544

約数和(自身を除く): 16927669

約数列:

[1, 5, 11, 25, 43, 55, 61, 121, 125, 215, 275, 305, 473, 605, 671, 1075, 1375, 1525, 2365, 2623, 3025, 3355, 5203, 5375, 7381, 7625, 11825, 13115, 15125, 16775, 26015, 28853, 36905, 59125, 65575, 83875, 130075, 144265, 184525, 317383, 327875, 650375, 721325, 922625, 1586915, 3606625, 7934575, 39672875]

約数ペア:

[(1, 39672875), (5, 7934575), (11, 3606625), (25, 1586915), (43, 922625), (55, 721325), (61, 650375), (121, 327875), (125, 317383), (215, 184525), (275, 144265), (305, 130075), (473, 83875), (605, 65575), (671, 59125), (1075, 36905), (1375, 28853), (1525, 26015), (2365, 16775), (2623, 15125), (3025, 13115), (3355, 11825), (5203, 7625), (5375, 7381)]