66774820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16447}}^1$

素因数の和:16492

約数の個数: 48

約数和(自身を含む): 165795840

約数和(自身を除く): 99021020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16447, 32894, 65788, 82235, 115129, 164470, 230258, 328940, 460516, 476963, 575645, 953926, 1151290, 1907852, 2302580, 2384815, 3338741, 4769630, 6677482, 9539260, 13354964, 16693705, 33387410, 66774820]

約数ペア:

[(1, 66774820), (2, 33387410), (4, 16693705), (5, 13354964), (7, 9539260), (10, 6677482), (14, 4769630), (20, 3338741), (28, 2384815), (29, 2302580), (35, 1907852), (58, 1151290), (70, 953926), (116, 575645), (140, 476963), (145, 460516), (203, 328940), (290, 230258), (406, 164470), (580, 115129), (812, 82235), (1015, 65788), (2030, 32894), (4060, 16447)]