87756820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{230939}}^1$

素因数の和:230967

約数の個数: 24

約数和(自身を含む): 193989600

約数和(自身を除く): 106232780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 230939, 461878, 923756, 1154695, 2309390, 4387841, 4618780, 8775682, 17551364, 21939205, 43878410, 87756820]

約数ペア:

[(1, 87756820), (2, 43878410), (4, 21939205), (5, 17551364), (10, 8775682), (19, 4618780), (20, 4387841), (38, 2309390), (76, 1154695), (95, 923756), (190, 461878), (380, 230939)]