28928080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 71669520

約数和(自身を除く): 42741440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 337, 370, 464, 580, 592, 674, 740, 1073, 1160, 1348, 1480, 1685, 2146, 2320, 2696, 2960, 3370, 4292, 5365, 5392, 6740, 8584, 9773, 10730, 12469, 13480, 17168, 19546, 21460, 24938, 26960, 39092, 42920, 48865, 49876, 62345, 78184, 85840, 97730, 99752, 124690, 156368, 195460, 199504, 249380, 361601, 390920, 498760, 723202, 781840, 997520, 1446404, 1808005, 2892808, 3616010, 5785616, 7232020, 14464040, 28928080]

約数ペア:

[(1, 28928080), (2, 14464040), (4, 7232020), (5, 5785616), (8, 3616010), (10, 2892808), (16, 1808005), (20, 1446404), (29, 997520), (37, 781840), (40, 723202), (58, 498760), (74, 390920), (80, 361601), (116, 249380), (145, 199504), (148, 195460), (185, 156368), (232, 124690), (290, 99752), (296, 97730), (337, 85840), (370, 78184), (464, 62345), (580, 49876), (592, 48865), (674, 42920), (740, 39092), (1073, 26960), (1160, 24938), (1348, 21460), (1480, 19546), (1685, 17168), (2146, 13480), (2320, 12469), (2696, 10730), (2960, 9773), (3370, 8584), (4292, 6740), (5365, 5392)]