11542640

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 27036960

約数和(自身を除く): 15494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 919, 1256, 1570, 1838, 2512, 3140, 3676, 4595, 6280, 7352, 9190, 12560, 14704, 18380, 36760, 73520, 144283, 288566, 577132, 721415, 1154264, 1442830, 2308528, 2885660, 5771320, 11542640]

約数ペア:

[(1, 11542640), (2, 5771320), (4, 2885660), (5, 2308528), (8, 1442830), (10, 1154264), (16, 721415), (20, 577132), (40, 288566), (80, 144283), (157, 73520), (314, 36760), (628, 18380), (785, 14704), (919, 12560), (1256, 9190), (1570, 7352), (1838, 6280), (2512, 4595), (3140, 3676)]