9939520

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 56

約数和(自身を含む): 24003000

約数和(自身を除く): 14063480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 349, 356, 445, 698, 712, 890, 1396, 1424, 1745, 1780, 2792, 2848, 3490, 3560, 5584, 5696, 6980, 7120, 11168, 13960, 14240, 22336, 27920, 28480, 31061, 55840, 62122, 111680, 124244, 155305, 248488, 310610, 496976, 621220, 993952, 1242440, 1987904, 2484880, 4969760, 9939520]

約数ペア:

[(1, 9939520), (2, 4969760), (4, 2484880), (5, 1987904), (8, 1242440), (10, 993952), (16, 621220), (20, 496976), (32, 310610), (40, 248488), (64, 155305), (80, 124244), (89, 111680), (160, 62122), (178, 55840), (320, 31061), (349, 28480), (356, 27920), (445, 22336), (698, 14240), (712, 13960), (890, 11168), (1396, 7120), (1424, 6980), (1745, 5696), (1780, 5584), (2792, 3560), (2848, 3490)]