25128125

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 11994499

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 125, 187, 215, 275, 425, 473, 625, 731, 935, 1075, 1375, 2125, 2365, 3125, 3655, 4675, 5375, 6875, 8041, 10625, 11825, 18275, 23375, 26875, 34375, 40205, 53125, 59125, 91375, 116875, 134375, 201025, 295625, 456875, 584375, 1005125, 1478125, 2284375, 5025625, 25128125]

約数ペア:

[(1, 25128125), (5, 5025625), (11, 2284375), (17, 1478125), (25, 1005125), (43, 584375), (55, 456875), (85, 295625), (125, 201025), (187, 134375), (215, 116875), (275, 91375), (425, 59125), (473, 53125), (625, 40205), (731, 34375), (935, 26875), (1075, 23375), (1375, 18275), (2125, 11825), (2365, 10625), (3125, 8041), (3655, 6875), (4675, 5375)]