66851380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 147168000

約数和(自身を除く): 80316620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1459, 1580, 2291, 2918, 4582, 5836, 7295, 9164, 11455, 14590, 22910, 29180, 42311, 45820, 84622, 115261, 169244, 211555, 230522, 423110, 461044, 576305, 846220, 1152610, 2305220, 3342569, 6685138, 13370276, 16712845, 33425690, 66851380]

約数ペア:

[(1, 66851380), (2, 33425690), (4, 16712845), (5, 13370276), (10, 6685138), (20, 3342569), (29, 2305220), (58, 1152610), (79, 846220), (116, 576305), (145, 461044), (158, 423110), (290, 230522), (316, 211555), (395, 169244), (580, 115261), (790, 84622), (1459, 45820), (1580, 42311), (2291, 29180), (2918, 22910), (4582, 14590), (5836, 11455), (7295, 9164)]