239304080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{42131}}^1$

素因数の和:42215

約数の個数: 40

約数和(自身を含む): 564231744

約数和(自身を除く): 324927664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 42131, 84262, 168524, 210655, 337048, 421310, 674096, 842620, 1685240, 2991301, 3370480, 5982602, 11965204, 14956505, 23930408, 29913010, 47860816, 59826020, 119652040, 239304080]

約数ペア:

[(1, 239304080), (2, 119652040), (4, 59826020), (5, 47860816), (8, 29913010), (10, 23930408), (16, 14956505), (20, 11965204), (40, 5982602), (71, 3370480), (80, 2991301), (142, 1685240), (284, 842620), (355, 674096), (568, 421310), (710, 337048), (1136, 210655), (1420, 168524), (2840, 84262), (5680, 42131)]