1285202500

素因数分解:

$2^2\times 5^4\times {\mathrm{514081}}^1$

素因数の和:514105

約数の個数: 30

約数和(自身を含む): 2810486294

約数和(自身を除く): 1525283794

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 514081, 1028162, 2056324, 2570405, 5140810, 10281620, 12852025, 25704050, 51408100, 64260125, 128520250, 257040500, 321300625, 642601250, 1285202500]

約数ペア:

[(1, 1285202500), (2, 642601250), (4, 321300625), (5, 257040500), (10, 128520250), (20, 64260125), (25, 51408100), (50, 25704050), (100, 12852025), (125, 10281620), (250, 5140810), (500, 2570405), (625, 2056324), (1250, 1028162), (2500, 514081)]