2540946.00000000

素因数分解:

$2^4\times 5^2\times {\mathrm{127763}}^1$

素因数の和:127781

約数の個数: 30

約数和(自身を含む): 122781204

約数和(自身を除く): 71676004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127763, 255526, 511052, 638815, 1022104, 1277630, 2044208, 2555260, 3194075, 5110520, 6388150, 10221040, 12776300, 25552600, 51105200]

約数ペア:

[(1, 51105200), (2, 25552600), (4, 12776300), (5, 10221040), (8, 6388150), (10, 5110520), (16, 3194075), (20, 2555260), (25, 2044208), (40, 1277630), (50, 1022104), (80, 638815), (100, 511052), (200, 255526), (400, 127763)]