25120025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 37622592

約数和(自身を除く): 12502567

約数列:

[1, 5, 7, 23, 25, 35, 79, 115, 161, 175, 395, 553, 575, 805, 1817, 1975, 2765, 4025, 6241, 9085, 12719, 13825, 31205, 43687, 45425, 63595, 143543, 156025, 218435, 317975, 717715, 1004801, 1092175, 3588575, 5024005, 25120025]

約数ペア:

[(1, 25120025), (5, 5024005), (7, 3588575), (23, 1092175), (25, 1004801), (35, 717715), (79, 317975), (115, 218435), (161, 156025), (175, 143543), (395, 63595), (553, 45425), (575, 43687), (805, 31205), (1817, 13825), (1975, 12719), (2765, 9085), (4025, 6241)]