51013240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5081}}^1$

素因数の和:5343

約数の個数: 32

約数和(自身を含む): 115259760

約数和(自身を除く): 64246520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5081, 10040, 10162, 20324, 25405, 40648, 50810, 101620, 203240, 1275331, 2550662, 5101324, 6376655, 10202648, 12753310, 25506620, 51013240]

約数ペア:

[(1, 51013240), (2, 25506620), (4, 12753310), (5, 10202648), (8, 6376655), (10, 5101324), (20, 2550662), (40, 1275331), (251, 203240), (502, 101620), (1004, 50810), (1255, 40648), (2008, 25405), (2510, 20324), (5020, 10162), (5081, 10040)]