55774240

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{971}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 132269760

約数和(自身を除く): 76495520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 971, 1436, 1795, 1942, 2872, 3590, 3884, 4855, 5744, 7180, 7768, 9710, 11488, 14360, 15536, 19420, 28720, 31072, 38840, 57440, 77680, 155360, 348589, 697178, 1394356, 1742945, 2788712, 3485890, 5577424, 6971780, 11154848, 13943560, 27887120, 55774240]

約数ペア:

[(1, 55774240), (2, 27887120), (4, 13943560), (5, 11154848), (8, 6971780), (10, 5577424), (16, 3485890), (20, 2788712), (32, 1742945), (40, 1394356), (80, 697178), (160, 348589), (359, 155360), (718, 77680), (971, 57440), (1436, 38840), (1795, 31072), (1942, 28720), (2872, 19420), (3590, 15536), (3884, 14360), (4855, 11488), (5744, 9710), (7180, 7768)]