28677440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8147}}^1$

素因数の和:8175

約数の個数: 56

約数和(自身を含む): 74505312

約数和(自身を除く): 45827872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8147, 16294, 32588, 40735, 65176, 81470, 89617, 130352, 162940, 179234, 260704, 325880, 358468, 448085, 521408, 651760, 716936, 896170, 1303520, 1433872, 1792340, 2607040, 2867744, 3584680, 5735488, 7169360, 14338720, 28677440]

約数ペア:

[(1, 28677440), (2, 14338720), (4, 7169360), (5, 5735488), (8, 3584680), (10, 2867744), (11, 2607040), (16, 1792340), (20, 1433872), (22, 1303520), (32, 896170), (40, 716936), (44, 651760), (55, 521408), (64, 448085), (80, 358468), (88, 325880), (110, 260704), (160, 179234), (176, 162940), (220, 130352), (320, 89617), (352, 81470), (440, 65176), (704, 40735), (880, 32588), (1760, 16294), (3520, 8147)]