5639020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 12418560

約数和(自身を除く): 6779540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 83, 86, 158, 166, 172, 215, 316, 332, 395, 415, 430, 790, 830, 860, 1580, 1660, 3397, 3569, 6557, 6794, 7138, 13114, 13588, 14276, 16985, 17845, 26228, 32785, 33970, 35690, 65570, 67940, 71380, 131140, 281951, 563902, 1127804, 1409755, 2819510, 5639020]

約数ペア:

[(1, 5639020), (2, 2819510), (4, 1409755), (5, 1127804), (10, 563902), (20, 281951), (43, 131140), (79, 71380), (83, 67940), (86, 65570), (158, 35690), (166, 33970), (172, 32785), (215, 26228), (316, 17845), (332, 16985), (395, 14276), (415, 13588), (430, 13114), (790, 7138), (830, 6794), (860, 6557), (1580, 3569), (1660, 3397)]