27644560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 67709952

約数和(自身を除く): 40065392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 157, 248, 284, 310, 314, 355, 496, 568, 620, 628, 710, 785, 1136, 1240, 1256, 1420, 1570, 2201, 2480, 2512, 2840, 3140, 4402, 4867, 5680, 6280, 8804, 9734, 11005, 11147, 12560, 17608, 19468, 22010, 22294, 24335, 35216, 38936, 44020, 44588, 48670, 55735, 77872, 88040, 89176, 97340, 111470, 176080, 178352, 194680, 222940, 345557, 389360, 445880, 691114, 891760, 1382228, 1727785, 2764456, 3455570, 5528912, 6911140, 13822280, 27644560]

約数ペア:

[(1, 27644560), (2, 13822280), (4, 6911140), (5, 5528912), (8, 3455570), (10, 2764456), (16, 1727785), (20, 1382228), (31, 891760), (40, 691114), (62, 445880), (71, 389360), (80, 345557), (124, 222940), (142, 194680), (155, 178352), (157, 176080), (248, 111470), (284, 97340), (310, 89176), (314, 88040), (355, 77872), (496, 55735), (568, 48670), (620, 44588), (628, 44020), (710, 38936), (785, 35216), (1136, 24335), (1240, 22294), (1256, 22010), (1420, 19468), (1570, 17608), (2201, 12560), (2480, 11147), (2512, 11005), (2840, 9734), (3140, 8804), (4402, 6280), (4867, 5680)]