1018824580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{2441}}^1$

素因数の和:3000

約数の個数: 48

約数和(自身を含む): 2196920880

約数和(自身を除く): 1178096300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 509, 820, 1018, 2036, 2441, 2545, 4882, 5090, 9764, 10180, 12205, 20869, 24410, 41738, 48820, 83476, 100081, 104345, 200162, 208690, 400324, 417380, 500405, 1000810, 1242469, 2001620, 2484938, 4969876, 6212345, 12424690, 24849380, 50941229, 101882458, 203764916, 254706145, 509412290, 1018824580]

約数ペア:

[(1, 1018824580), (2, 509412290), (4, 254706145), (5, 203764916), (10, 101882458), (20, 50941229), (41, 24849380), (82, 12424690), (164, 6212345), (205, 4969876), (410, 2484938), (509, 2001620), (820, 1242469), (1018, 1000810), (2036, 500405), (2441, 417380), (2545, 400324), (4882, 208690), (5090, 200162), (9764, 104345), (10180, 100081), (12205, 83476), (20869, 48820), (24410, 41738)]