12582865720

素因数分解:

$2^3\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{123701}}^1$

素因数の和:126255

約数の個数: 32

約数和(自身を含む): 28322809920

約数和(自身を除く): 15739944200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2543, 5086, 10172, 12715, 20344, 25430, 50860, 101720, 123701, 247402, 494804, 618505, 989608, 1237010, 2474020, 4948040, 314571643, 629143286, 1258286572, 1572858215, 2516573144, 3145716430, 6291432860, 12582865720]

約数ペア:

[(1, 12582865720), (2, 6291432860), (4, 3145716430), (5, 2516573144), (8, 1572858215), (10, 1258286572), (20, 629143286), (40, 314571643), (2543, 4948040), (5086, 2474020), (10172, 1237010), (12715, 989608), (20344, 618505), (25430, 494804), (50860, 247402), (101720, 123701)]