80441960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118297}}^1$

素因数の和:118325

約数の個数: 32

約数和(自身を含む): 191642760

約数和(自身を除く): 111200800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118297, 236594, 473188, 591485, 946376, 1182970, 2011049, 2365940, 4022098, 4731880, 8044196, 10055245, 16088392, 20110490, 40220980, 80441960]

約数ペア:

[(1, 80441960), (2, 40220980), (4, 20110490), (5, 16088392), (8, 10055245), (10, 8044196), (17, 4731880), (20, 4022098), (34, 2365940), (40, 2011049), (68, 1182970), (85, 946376), (136, 591485), (170, 473188), (340, 236594), (680, 118297)]