66522740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 143700480

約数和(自身を除く): 77177740

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 593, 710, 790, 1186, 1420, 1580, 2372, 2965, 5609, 5930, 11218, 11860, 22436, 28045, 42103, 46847, 56090, 84206, 93694, 112180, 168412, 187388, 210515, 234235, 421030, 468470, 842060, 936940, 3326137, 6652274, 13304548, 16630685, 33261370, 66522740]

約数ペア:

[(1, 66522740), (2, 33261370), (4, 16630685), (5, 13304548), (10, 6652274), (20, 3326137), (71, 936940), (79, 842060), (142, 468470), (158, 421030), (284, 234235), (316, 210515), (355, 187388), (395, 168412), (593, 112180), (710, 93694), (790, 84206), (1186, 56090), (1420, 46847), (1580, 42103), (2372, 28045), (2965, 22436), (5609, 11860), (5930, 11218)]