8893820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 20415360

約数和(自身を除く): 11521540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 433, 790, 866, 1027, 1580, 1732, 2054, 2165, 4108, 4330, 5135, 5629, 8660, 10270, 11258, 20540, 22516, 28145, 34207, 56290, 68414, 112580, 136828, 171035, 342070, 444691, 684140, 889382, 1778764, 2223455, 4446910, 8893820]

約数ペア:

[(1, 8893820), (2, 4446910), (4, 2223455), (5, 1778764), (10, 889382), (13, 684140), (20, 444691), (26, 342070), (52, 171035), (65, 136828), (79, 112580), (130, 68414), (158, 56290), (260, 34207), (316, 28145), (395, 22516), (433, 20540), (790, 11258), (866, 10270), (1027, 8660), (1580, 5629), (1732, 5135), (2054, 4330), (2165, 4108)]