15941920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5861}}^1$

素因数の和:5893

約数の個数: 48

約数和(自身を含む): 39885048

約数和(自身を除く): 23943128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 5861, 11722, 23444, 29305, 46888, 58610, 93776, 99637, 117220, 187552, 199274, 234440, 398548, 468880, 498185, 797096, 937760, 996370, 1594192, 1992740, 3188384, 3985480, 7970960, 15941920]

約数ペア:

[(1, 15941920), (2, 7970960), (4, 3985480), (5, 3188384), (8, 1992740), (10, 1594192), (16, 996370), (17, 937760), (20, 797096), (32, 498185), (34, 468880), (40, 398548), (68, 234440), (80, 199274), (85, 187552), (136, 117220), (160, 99637), (170, 93776), (272, 58610), (340, 46888), (544, 29305), (680, 23444), (1360, 11722), (2720, 5861)]