28440125

素因数分解:

$5^3\times 7^1\times {\mathrm{32503}}^1$

素因数の和:32525

約数の個数: 16

約数和(自身を含む): 40564992

約数和(自身を除く): 12124867

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 32503, 162515, 227521, 812575, 1137605, 4062875, 5688025, 28440125]

約数ペア:

[(1, 28440125), (5, 5688025), (7, 4062875), (25, 1137605), (35, 812575), (125, 227521), (175, 162515), (875, 32503)]