80892880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2801}}^1$

素因数の和:2852

約数の個数: 60

約数和(自身を含む): 198566532

約数和(自身を除く): 117673652

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2801, 2888, 3610, 5602, 5776, 7220, 11204, 14005, 14440, 22408, 28010, 28880, 44816, 53219, 56020, 106438, 112040, 212876, 224080, 266095, 425752, 532190, 851504, 1011161, 1064380, 2022322, 2128760, 4044644, 4257520, 5055805, 8089288, 10111610, 16178576, 20223220, 40446440, 80892880]

約数ペア:

[(1, 80892880), (2, 40446440), (4, 20223220), (5, 16178576), (8, 10111610), (10, 8089288), (16, 5055805), (19, 4257520), (20, 4044644), (38, 2128760), (40, 2022322), (76, 1064380), (80, 1011161), (95, 851504), (152, 532190), (190, 425752), (304, 266095), (361, 224080), (380, 212876), (722, 112040), (760, 106438), (1444, 56020), (1520, 53219), (1805, 44816), (2801, 28880), (2888, 28010), (3610, 22408), (5602, 14440), (5776, 14005), (7220, 11204)]