79420720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7817}}^1$

素因数の和:7957

約数の個数: 40

約数和(自身を含む): 186130944

約数和(自身を除く): 106710224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 7817, 10160, 15634, 31268, 39085, 62536, 78170, 125072, 156340, 312680, 625360, 992759, 1985518, 3971036, 4963795, 7942072, 9927590, 15884144, 19855180, 39710360, 79420720]

約数ペア:

[(1, 79420720), (2, 39710360), (4, 19855180), (5, 15884144), (8, 9927590), (10, 7942072), (16, 4963795), (20, 3971036), (40, 1985518), (80, 992759), (127, 625360), (254, 312680), (508, 156340), (635, 125072), (1016, 78170), (1270, 62536), (2032, 39085), (2540, 31268), (5080, 15634), (7817, 10160)]