28053920

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 66624768

約数和(自身を除く): 38570848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 647, 1084, 1294, 1355, 2168, 2588, 2710, 3235, 4336, 5176, 5420, 6470, 8672, 10352, 10840, 12940, 20704, 21680, 25880, 43360, 51760, 103520, 175337, 350674, 701348, 876685, 1402696, 1753370, 2805392, 3506740, 5610784, 7013480, 14026960, 28053920]

約数ペア:

[(1, 28053920), (2, 14026960), (4, 7013480), (5, 5610784), (8, 3506740), (10, 2805392), (16, 1753370), (20, 1402696), (32, 876685), (40, 701348), (80, 350674), (160, 175337), (271, 103520), (542, 51760), (647, 43360), (1084, 25880), (1294, 21680), (1355, 20704), (2168, 12940), (2588, 10840), (2710, 10352), (3235, 8672), (4336, 6470), (5176, 5420)]