33608180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 38967820

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 239, 316, 356, 395, 445, 478, 790, 890, 956, 1195, 1580, 1780, 2390, 4780, 7031, 14062, 18881, 21271, 28124, 35155, 37762, 42542, 70310, 75524, 85084, 94405, 106355, 140620, 188810, 212710, 377620, 425420, 1680409, 3360818, 6721636, 8402045, 16804090, 33608180]

約数ペア:

[(1, 33608180), (2, 16804090), (4, 8402045), (5, 6721636), (10, 3360818), (20, 1680409), (79, 425420), (89, 377620), (158, 212710), (178, 188810), (239, 140620), (316, 106355), (356, 94405), (395, 85084), (445, 75524), (478, 70310), (790, 42542), (890, 37762), (956, 35155), (1195, 28124), (1580, 21271), (1780, 18881), (2390, 14062), (4780, 7031)]