13442875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 17873856

約数和(自身を除く): 4430981

約数列:

[1, 5, 25, 41, 43, 61, 125, 205, 215, 305, 1025, 1075, 1525, 1763, 2501, 2623, 5125, 5375, 7625, 8815, 12505, 13115, 44075, 62525, 65575, 107543, 220375, 312625, 327875, 537715, 2688575, 13442875]

約数ペア:

[(1, 13442875), (5, 2688575), (25, 537715), (41, 327875), (43, 312625), (61, 220375), (125, 107543), (205, 65575), (215, 62525), (305, 44075), (1025, 13115), (1075, 12505), (1525, 8815), (1763, 7625), (2501, 5375), (2623, 5125)]