29920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:43

約数の個数: 48

約数和(自身を含む): 81648

約数和(自身を除く): 51728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5984, 7480, 14960, 29920]

約数ペア:

[(1, 29920), (2, 14960), (4, 7480), (5, 5984), (8, 3740), (10, 2992), (11, 2720), (16, 1870), (17, 1760), (20, 1496), (22, 1360), (32, 935), (34, 880), (40, 748), (44, 680), (55, 544), (68, 440), (80, 374), (85, 352), (88, 340), (110, 272), (136, 220), (160, 187), (170, 176)]