1020227500

素因数分解:

$2^2\times 5^4\times {\mathrm{408091}}^1$

素因数の和:408115

約数の個数: 30

約数和(自身を含む): 2231038964

約数和(自身を除く): 1210811464

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 408091, 816182, 1632364, 2040455, 4080910, 8161820, 10202275, 20404550, 40809100, 51011375, 102022750, 204045500, 255056875, 510113750, 1020227500]

約数ペア:

[(1, 1020227500), (2, 510113750), (4, 255056875), (5, 204045500), (10, 102022750), (20, 51011375), (25, 40809100), (50, 20404550), (100, 10202275), (125, 8161820), (250, 4080910), (500, 2040455), (625, 1632364), (1250, 816182), (2500, 408091)]