2912995240

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{60037}}^1$

素因数の和:61261

約数の個数: 32

約数和(自身を含む): 6559751880

約数和(自身を除く): 3646756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 60037, 120074, 240148, 300185, 480296, 600370, 1200740, 2401480, 72824881, 145649762, 291299524, 364124405, 582599048, 728248810, 1456497620, 2912995240]

約数ペア:

[(1, 2912995240), (2, 1456497620), (4, 728248810), (5, 582599048), (8, 364124405), (10, 291299524), (20, 145649762), (40, 72824881), (1213, 2401480), (2426, 1200740), (4852, 600370), (6065, 480296), (9704, 300185), (12130, 240148), (24260, 120074), (48520, 60037)]