89916440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 210656160

約数和(自身を除く): 120739720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 857, 860, 1220, 1714, 1720, 2440, 2623, 3428, 4285, 5246, 6856, 8570, 10492, 13115, 17140, 20984, 26230, 34280, 36851, 52277, 52460, 73702, 104554, 104920, 147404, 184255, 209108, 261385, 294808, 368510, 418216, 522770, 737020, 1045540, 1474040, 2091080, 2247911, 4495822, 8991644, 11239555, 17983288, 22479110, 44958220, 89916440]

約数ペア:

[(1, 89916440), (2, 44958220), (4, 22479110), (5, 17983288), (8, 11239555), (10, 8991644), (20, 4495822), (40, 2247911), (43, 2091080), (61, 1474040), (86, 1045540), (122, 737020), (172, 522770), (215, 418216), (244, 368510), (305, 294808), (344, 261385), (430, 209108), (488, 184255), (610, 147404), (857, 104920), (860, 104554), (1220, 73702), (1714, 52460), (1720, 52277), (2440, 36851), (2623, 34280), (3428, 26230), (4285, 20984), (5246, 17140), (6856, 13115), (8570, 10492)]