56789920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:854

約数の個数: 96

約数和(自身を含む): 150123456

約数和(自身を除く): 93333536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 787, 820, 880, 902, 1312, 1574, 1640, 1760, 1804, 2255, 3148, 3280, 3608, 3935, 4510, 6296, 6560, 7216, 7870, 8657, 9020, 12592, 14432, 15740, 17314, 18040, 25184, 31480, 32267, 34628, 36080, 43285, 62960, 64534, 69256, 72160, 86570, 125920, 129068, 138512, 161335, 173140, 258136, 277024, 322670, 346280, 354937, 516272, 645340, 692560, 709874, 1032544, 1290680, 1385120, 1419748, 1774685, 2581360, 2839496, 3549370, 5162720, 5678992, 7098740, 11357984, 14197480, 28394960, 56789920]

約数ペア:

[(1, 56789920), (2, 28394960), (4, 14197480), (5, 11357984), (8, 7098740), (10, 5678992), (11, 5162720), (16, 3549370), (20, 2839496), (22, 2581360), (32, 1774685), (40, 1419748), (41, 1385120), (44, 1290680), (55, 1032544), (80, 709874), (82, 692560), (88, 645340), (110, 516272), (160, 354937), (164, 346280), (176, 322670), (205, 277024), (220, 258136), (328, 173140), (352, 161335), (410, 138512), (440, 129068), (451, 125920), (656, 86570), (787, 72160), (820, 69256), (880, 64534), (902, 62960), (1312, 43285), (1574, 36080), (1640, 34628), (1760, 32267), (1804, 31480), (2255, 25184), (3148, 18040), (3280, 17314), (3608, 15740), (3935, 14432), (4510, 12592), (6296, 9020), (6560, 8657), (7216, 7870)]