1021000375

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{79301}}^1$

素因数の和:79419

約数の個数: 16

約数和(自身を含む): 1286595648

約数和(自身を除く): 265595273

約数列:

[1, 5, 25, 103, 125, 515, 2575, 12875, 79301, 396505, 1982525, 8168003, 9912625, 40840015, 204200075, 1021000375]

約数ペア:

[(1, 1021000375), (5, 204200075), (25, 40840015), (103, 9912625), (125, 8168003), (515, 1982525), (2575, 396505), (12875, 79301)]