12120625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 17319456

約数和(自身を除く): 5198831

約数列:

[1, 5, 11, 25, 41, 43, 55, 125, 205, 215, 275, 451, 473, 625, 1025, 1075, 1375, 1763, 2255, 2365, 5125, 5375, 6875, 8815, 11275, 11825, 19393, 25625, 26875, 44075, 56375, 59125, 96965, 220375, 281875, 295625, 484825, 1101875, 2424125, 12120625]

約数ペア:

[(1, 12120625), (5, 2424125), (11, 1101875), (25, 484825), (41, 295625), (43, 281875), (55, 220375), (125, 96965), (205, 59125), (215, 56375), (275, 44075), (451, 26875), (473, 25625), (625, 19393), (1025, 11825), (1075, 11275), (1375, 8815), (1763, 6875), (2255, 5375), (2365, 5125)]