4125625

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 6297984

約数和(自身を除く): 2172359

約数列:

[1, 5, 7, 23, 25, 35, 41, 115, 125, 161, 175, 205, 287, 575, 625, 805, 875, 943, 1025, 1435, 2875, 4025, 4375, 4715, 5125, 6601, 7175, 14375, 20125, 23575, 25625, 33005, 35875, 100625, 117875, 165025, 179375, 589375, 825125, 4125625]

約数ペア:

[(1, 4125625), (5, 825125), (7, 589375), (23, 179375), (25, 165025), (35, 117875), (41, 100625), (115, 35875), (125, 33005), (161, 25625), (175, 23575), (205, 20125), (287, 14375), (575, 7175), (625, 6601), (805, 5125), (875, 4715), (943, 4375), (1025, 4025), (1435, 2875)]