11278040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 15333160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 83, 86, 158, 166, 172, 215, 316, 332, 344, 395, 415, 430, 632, 664, 790, 830, 860, 1580, 1660, 1720, 3160, 3320, 3397, 3569, 6557, 6794, 7138, 13114, 13588, 14276, 16985, 17845, 26228, 27176, 28552, 32785, 33970, 35690, 52456, 65570, 67940, 71380, 131140, 135880, 142760, 262280, 281951, 563902, 1127804, 1409755, 2255608, 2819510, 5639020, 11278040]

約数ペア:

[(1, 11278040), (2, 5639020), (4, 2819510), (5, 2255608), (8, 1409755), (10, 1127804), (20, 563902), (40, 281951), (43, 262280), (79, 142760), (83, 135880), (86, 131140), (158, 71380), (166, 67940), (172, 65570), (215, 52456), (316, 35690), (332, 33970), (344, 32785), (395, 28552), (415, 27176), (430, 26228), (632, 17845), (664, 16985), (790, 14276), (830, 13588), (860, 13114), (1580, 7138), (1660, 6794), (1720, 6557), (3160, 3569), (3320, 3397)]