28773920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1162

約数の個数: 96

約数和(自身を含む): 81139968

約数和(自身を除く): 52366048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1117, 1120, 1288, 1610, 1840, 2234, 2576, 3220, 3680, 4468, 5152, 5585, 6440, 7819, 8936, 11170, 12880, 15638, 17872, 22340, 25691, 25760, 31276, 35744, 39095, 44680, 51382, 62552, 78190, 89360, 102764, 125104, 128455, 156380, 178720, 179837, 205528, 250208, 256910, 312760, 359674, 411056, 513820, 625520, 719348, 822112, 899185, 1027640, 1251040, 1438696, 1798370, 2055280, 2877392, 3596740, 4110560, 5754784, 7193480, 14386960, 28773920]

約数ペア:

[(1, 28773920), (2, 14386960), (4, 7193480), (5, 5754784), (7, 4110560), (8, 3596740), (10, 2877392), (14, 2055280), (16, 1798370), (20, 1438696), (23, 1251040), (28, 1027640), (32, 899185), (35, 822112), (40, 719348), (46, 625520), (56, 513820), (70, 411056), (80, 359674), (92, 312760), (112, 256910), (115, 250208), (140, 205528), (160, 179837), (161, 178720), (184, 156380), (224, 128455), (230, 125104), (280, 102764), (322, 89360), (368, 78190), (460, 62552), (560, 51382), (644, 44680), (736, 39095), (805, 35744), (920, 31276), (1117, 25760), (1120, 25691), (1288, 22340), (1610, 17872), (1840, 15638), (2234, 12880), (2576, 11170), (3220, 8936), (3680, 7819), (4468, 6440), (5152, 5585)]