80207440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43591}}^1$

素因数の和:43627

約数の個数: 40

約数和(自身を含む): 194594688

約数和(自身を除く): 114387248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 43591, 87182, 174364, 217955, 348728, 435910, 697456, 871820, 1002593, 1743640, 2005186, 3487280, 4010372, 5012965, 8020744, 10025930, 16041488, 20051860, 40103720, 80207440]

約数ペア:

[(1, 80207440), (2, 40103720), (4, 20051860), (5, 16041488), (8, 10025930), (10, 8020744), (16, 5012965), (20, 4010372), (23, 3487280), (40, 2005186), (46, 1743640), (80, 1002593), (92, 871820), (115, 697456), (184, 435910), (230, 348728), (368, 217955), (460, 174364), (920, 87182), (1840, 43591)]