20135881840

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1\times {\mathrm{3011}}^1$

素因数の和:3670

約数の個数: 80

約数和(自身を含む): 47193943680

約数和(自身を除く): 27058061840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 467, 716, 895, 934, 1432, 1790, 1868, 2335, 2864, 3011, 3580, 3736, 4670, 6022, 7160, 7472, 9340, 12044, 14320, 15055, 18680, 24088, 30110, 37360, 48176, 60220, 83593, 120440, 167186, 240880, 334372, 417965, 538969, 668744, 835930, 1077938, 1337488, 1406137, 1671860, 2155876, 2694845, 2812274, 3343720, 4311752, 5389690, 5624548, 6687440, 7030685, 8623504, 10779380, 11249096, 14061370, 21558760, 22498192, 28122740, 43117520, 56245480, 112490960, 251698523, 503397046, 1006794092, 1258492615, 2013588184, 2516985230, 4027176368, 5033970460, 10067940920, 20135881840]

約数ペア:

[(1, 20135881840), (2, 10067940920), (4, 5033970460), (5, 4027176368), (8, 2516985230), (10, 2013588184), (16, 1258492615), (20, 1006794092), (40, 503397046), (80, 251698523), (179, 112490960), (358, 56245480), (467, 43117520), (716, 28122740), (895, 22498192), (934, 21558760), (1432, 14061370), (1790, 11249096), (1868, 10779380), (2335, 8623504), (2864, 7030685), (3011, 6687440), (3580, 5624548), (3736, 5389690), (4670, 4311752), (6022, 3343720), (7160, 2812274), (7472, 2694845), (9340, 2155876), (12044, 1671860), (14320, 1406137), (15055, 1337488), (18680, 1077938), (24088, 835930), (30110, 668744), (37360, 538969), (48176, 417965), (60220, 334372), (83593, 240880), (120440, 167186)]