15806240

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 37594368

約数和(自身を除く): 21788128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 443, 446, 886, 892, 1115, 1772, 1784, 2215, 2230, 3544, 3568, 4430, 4460, 7088, 7136, 8860, 8920, 14176, 17720, 17840, 35440, 35680, 70880, 98789, 197578, 395156, 493945, 790312, 987890, 1580624, 1975780, 3161248, 3951560, 7903120, 15806240]

約数ペア:

[(1, 15806240), (2, 7903120), (4, 3951560), (5, 3161248), (8, 1975780), (10, 1580624), (16, 987890), (20, 790312), (32, 493945), (40, 395156), (80, 197578), (160, 98789), (223, 70880), (443, 35680), (446, 35440), (886, 17840), (892, 17720), (1115, 14176), (1772, 8920), (1784, 8860), (2215, 7136), (2230, 7088), (3544, 4460), (3568, 4430)]