1087331320

素因数分解:

$2^3\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{13933}}^1$

素因数の和:15895

約数の個数: 32

約数和(自身を含む): 2447925120

約数和(自身を除く): 1360593800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951, 3902, 7804, 9755, 13933, 15608, 19510, 27866, 39020, 55732, 69665, 78040, 111464, 139330, 278660, 557320, 27183283, 54366566, 108733132, 135916415, 217466264, 271832830, 543665660, 1087331320]

約数ペア:

[(1, 1087331320), (2, 543665660), (4, 271832830), (5, 217466264), (8, 135916415), (10, 108733132), (20, 54366566), (40, 27183283), (1951, 557320), (3902, 278660), (7804, 139330), (9755, 111464), (13933, 78040), (15608, 69665), (19510, 55732), (27866, 39020)]