28538080

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 67876704

約数和(自身を除く): 39338624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1031, 1384, 1730, 2062, 2768, 3460, 4124, 5155, 5536, 6920, 8248, 10310, 13840, 16496, 20620, 27680, 32992, 41240, 82480, 164960, 178363, 356726, 713452, 891815, 1426904, 1783630, 2853808, 3567260, 5707616, 7134520, 14269040, 28538080]

約数ペア:

[(1, 28538080), (2, 14269040), (4, 7134520), (5, 5707616), (8, 3567260), (10, 2853808), (16, 1783630), (20, 1426904), (32, 891815), (40, 713452), (80, 356726), (160, 178363), (173, 164960), (346, 82480), (692, 41240), (865, 32992), (1031, 27680), (1384, 20620), (1730, 16496), (2062, 13840), (2768, 10310), (3460, 8248), (4124, 6920), (5155, 5536)]