11983760

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 28063680

約数和(自身を除く): 16079920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 919, 1304, 1630, 1838, 2608, 3260, 3676, 4595, 6520, 7352, 9190, 13040, 14704, 18380, 36760, 73520, 149797, 299594, 599188, 748985, 1198376, 1497970, 2396752, 2995940, 5991880, 11983760]

約数ペア:

[(1, 11983760), (2, 5991880), (4, 2995940), (5, 2396752), (8, 1497970), (10, 1198376), (16, 748985), (20, 599188), (40, 299594), (80, 149797), (163, 73520), (326, 36760), (652, 18380), (815, 14704), (919, 13040), (1304, 9190), (1630, 7352), (1838, 6520), (2608, 4595), (3260, 3676)]