28084640

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{919}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 38685280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 919, 955, 1528, 1838, 1910, 3056, 3676, 3820, 4595, 6112, 7352, 7640, 9190, 14704, 15280, 18380, 29408, 30560, 36760, 73520, 147040, 175529, 351058, 702116, 877645, 1404232, 1755290, 2808464, 3510580, 5616928, 7021160, 14042320, 28084640]

約数ペア:

[(1, 28084640), (2, 14042320), (4, 7021160), (5, 5616928), (8, 3510580), (10, 2808464), (16, 1755290), (20, 1404232), (32, 877645), (40, 702116), (80, 351058), (160, 175529), (191, 147040), (382, 73520), (764, 36760), (919, 30560), (955, 29408), (1528, 18380), (1838, 15280), (1910, 14704), (3056, 9190), (3676, 7640), (3820, 7352), (4595, 6112)]