138216125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 178869600

約数和(自身を除く): 40653475

約数列:

[1, 5, 25, 41, 125, 149, 181, 205, 745, 905, 1025, 3725, 4525, 5125, 6109, 7421, 18625, 22625, 26969, 30545, 37105, 134845, 152725, 185525, 674225, 763625, 927625, 1105729, 3371125, 5528645, 27643225, 138216125]

約数ペア:

[(1, 138216125), (5, 27643225), (25, 5528645), (41, 3371125), (125, 1105729), (149, 927625), (181, 763625), (205, 674225), (745, 185525), (905, 152725), (1025, 134845), (3725, 37105), (4525, 30545), (5125, 26969), (6109, 22625), (7421, 18625)]