39402040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 92476800

約数和(自身を除く): 53074760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 337, 370, 395, 632, 674, 740, 790, 1348, 1480, 1580, 1685, 2696, 2923, 3160, 3370, 5846, 6740, 11692, 12469, 13480, 14615, 23384, 24938, 26623, 29230, 49876, 53246, 58460, 62345, 99752, 106492, 116920, 124690, 133115, 212984, 249380, 266230, 498760, 532460, 985051, 1064920, 1970102, 3940204, 4925255, 7880408, 9850510, 19701020, 39402040]

約数ペア:

[(1, 39402040), (2, 19701020), (4, 9850510), (5, 7880408), (8, 4925255), (10, 3940204), (20, 1970102), (37, 1064920), (40, 985051), (74, 532460), (79, 498760), (148, 266230), (158, 249380), (185, 212984), (296, 133115), (316, 124690), (337, 116920), (370, 106492), (395, 99752), (632, 62345), (674, 58460), (740, 53246), (790, 49876), (1348, 29230), (1480, 26623), (1580, 24938), (1685, 23384), (2696, 14615), (2923, 13480), (3160, 12469), (3370, 11692), (5846, 6740)]