805655120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1572

約数の個数: 80

約数和(自身を含む): 1923626880

約数和(自身を除く): 1117971760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 139, 212, 265, 278, 424, 530, 556, 695, 848, 1060, 1112, 1367, 1390, 2120, 2224, 2734, 2780, 4240, 5468, 5560, 6835, 7367, 10936, 11120, 13670, 14734, 21872, 27340, 29468, 36835, 54680, 58936, 72451, 73670, 109360, 117872, 144902, 147340, 190013, 289804, 294680, 362255, 380026, 579608, 589360, 724510, 760052, 950065, 1159216, 1449020, 1520104, 1900130, 2898040, 3040208, 3800260, 5796080, 7600520, 10070689, 15201040, 20141378, 40282756, 50353445, 80565512, 100706890, 161131024, 201413780, 402827560, 805655120]

約数ペア:

[(1, 805655120), (2, 402827560), (4, 201413780), (5, 161131024), (8, 100706890), (10, 80565512), (16, 50353445), (20, 40282756), (40, 20141378), (53, 15201040), (80, 10070689), (106, 7600520), (139, 5796080), (212, 3800260), (265, 3040208), (278, 2898040), (424, 1900130), (530, 1520104), (556, 1449020), (695, 1159216), (848, 950065), (1060, 760052), (1112, 724510), (1367, 589360), (1390, 579608), (2120, 380026), (2224, 362255), (2734, 294680), (2780, 289804), (4240, 190013), (5468, 147340), (5560, 144902), (6835, 117872), (7367, 109360), (10936, 73670), (11120, 72451), (13670, 58936), (14734, 54680), (21872, 36835), (27340, 29468)]