1055440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 2499840

約数和(自身を除く): 1444400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 167, 316, 334, 395, 632, 668, 790, 835, 1264, 1336, 1580, 1670, 2672, 3160, 3340, 6320, 6680, 13193, 13360, 26386, 52772, 65965, 105544, 131930, 211088, 263860, 527720, 1055440]

約数ペア:

[(1, 1055440), (2, 527720), (4, 263860), (5, 211088), (8, 131930), (10, 105544), (16, 65965), (20, 52772), (40, 26386), (79, 13360), (80, 13193), (158, 6680), (167, 6320), (316, 3340), (334, 3160), (395, 2672), (632, 1670), (668, 1580), (790, 1336), (835, 1264)]