11515280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20563}}^1$

素因数の和:20583

約数の個数: 40

約数和(自身を含む): 30599232

約数和(自身を除く): 19083952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20563, 41126, 82252, 102815, 143941, 164504, 205630, 287882, 329008, 411260, 575764, 719705, 822520, 1151528, 1439410, 1645040, 2303056, 2878820, 5757640, 11515280]

約数ペア:

[(1, 11515280), (2, 5757640), (4, 2878820), (5, 2303056), (7, 1645040), (8, 1439410), (10, 1151528), (14, 822520), (16, 719705), (20, 575764), (28, 411260), (35, 329008), (40, 287882), (56, 205630), (70, 164504), (80, 143941), (112, 102815), (140, 82252), (280, 41126), (560, 20563)]