8488040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 21150720

約数和(自身を除く): 12662680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 191, 202, 220, 382, 404, 440, 505, 764, 808, 955, 1010, 1111, 1528, 1910, 2020, 2101, 2222, 3820, 4040, 4202, 4444, 5555, 7640, 8404, 8888, 10505, 11110, 16808, 19291, 21010, 22220, 38582, 42020, 44440, 77164, 84040, 96455, 154328, 192910, 212201, 385820, 424402, 771640, 848804, 1061005, 1697608, 2122010, 4244020, 8488040]

約数ペア:

[(1, 8488040), (2, 4244020), (4, 2122010), (5, 1697608), (8, 1061005), (10, 848804), (11, 771640), (20, 424402), (22, 385820), (40, 212201), (44, 192910), (55, 154328), (88, 96455), (101, 84040), (110, 77164), (191, 44440), (202, 42020), (220, 38582), (382, 22220), (404, 21010), (440, 19291), (505, 16808), (764, 11110), (808, 10505), (955, 8888), (1010, 8404), (1111, 7640), (1528, 5555), (1910, 4444), (2020, 4202), (2101, 4040), (2222, 3820)]