79427960

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1459}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 178966800

約数和(自身を除く): 99538840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 1459, 2722, 2918, 5444, 5836, 6805, 7295, 10888, 11672, 13610, 14590, 27220, 29180, 54440, 58360, 1985699, 3971398, 7942796, 9928495, 15885592, 19856990, 39713980, 79427960]

約数ペア:

[(1, 79427960), (2, 39713980), (4, 19856990), (5, 15885592), (8, 9928495), (10, 7942796), (20, 3971398), (40, 1985699), (1361, 58360), (1459, 54440), (2722, 29180), (2918, 27220), (5444, 14590), (5836, 13610), (6805, 11672), (7295, 10888)]