22271680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:977

約数の個数: 56

約数和(自身を含む): 53766720

約数和(自身を除く): 31495040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 881, 1264, 1580, 1762, 2528, 3160, 3524, 4405, 5056, 6320, 7048, 8810, 12640, 14096, 17620, 25280, 28192, 35240, 56384, 69599, 70480, 139198, 140960, 278396, 281920, 347995, 556792, 695990, 1113584, 1391980, 2227168, 2783960, 4454336, 5567920, 11135840, 22271680]

約数ペア:

[(1, 22271680), (2, 11135840), (4, 5567920), (5, 4454336), (8, 2783960), (10, 2227168), (16, 1391980), (20, 1113584), (32, 695990), (40, 556792), (64, 347995), (79, 281920), (80, 278396), (158, 140960), (160, 139198), (316, 70480), (320, 69599), (395, 56384), (632, 35240), (790, 28192), (881, 25280), (1264, 17620), (1580, 14096), (1762, 12640), (2528, 8810), (3160, 7048), (3524, 6320), (4405, 5056)]