31742875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 42247296

約数和(自身を除く): 10504421

約数列:

[1, 5, 23, 25, 61, 115, 125, 181, 305, 575, 905, 1403, 1525, 2875, 4163, 4525, 7015, 7625, 11041, 20815, 22625, 35075, 55205, 104075, 175375, 253943, 276025, 520375, 1269715, 1380125, 6348575, 31742875]

約数ペア:

[(1, 31742875), (5, 6348575), (23, 1380125), (25, 1269715), (61, 520375), (115, 276025), (125, 253943), (181, 175375), (305, 104075), (575, 55205), (905, 35075), (1403, 22625), (1525, 20815), (2875, 11041), (4163, 7625), (4525, 7015)]