83840020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2129}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 193233600

約数和(自身を除く): 109393580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 2129, 3580, 3938, 4258, 7876, 8516, 9845, 10645, 19690, 21290, 23419, 39380, 42580, 46838, 93676, 117095, 234190, 381091, 468380, 762182, 1524364, 1905455, 3810910, 4192001, 7621820, 8384002, 16768004, 20960005, 41920010, 83840020]

約数ペア:

[(1, 83840020), (2, 41920010), (4, 20960005), (5, 16768004), (10, 8384002), (11, 7621820), (20, 4192001), (22, 3810910), (44, 1905455), (55, 1524364), (110, 762182), (179, 468380), (220, 381091), (358, 234190), (716, 117095), (895, 93676), (1790, 46838), (1969, 42580), (2129, 39380), (3580, 23419), (3938, 21290), (4258, 19690), (7876, 10645), (8516, 9845)]