258650878820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{315427901}}^1$

素因数の和:315427951

約数の個数: 24

約数和(自身を含む): 556414819128

約数和(自身を除く): 297763940308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 315427901, 630855802, 1261711604, 1577139505, 3154279010, 6308558020, 12932543941, 25865087882, 51730175764, 64662719705, 129325439410, 258650878820]

約数ペア:

[(1, 258650878820), (2, 129325439410), (4, 64662719705), (5, 51730175764), (10, 25865087882), (20, 12932543941), (41, 6308558020), (82, 3154279010), (164, 1577139505), (205, 1261711604), (410, 630855802), (820, 315427901)]