28725125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 42142464

約数和(自身を除く): 13417339

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1607, 1625, 3575, 8035, 17677, 17875, 20891, 40175, 88385, 104455, 200875, 229801, 441925, 522275, 1149005, 2209625, 2611375, 5745025, 28725125]

約数ペア:

[(1, 28725125), (5, 5745025), (11, 2611375), (13, 2209625), (25, 1149005), (55, 522275), (65, 441925), (125, 229801), (143, 200875), (275, 104455), (325, 88385), (715, 40175), (1375, 20891), (1607, 17875), (1625, 17677), (3575, 8035)]