1138690720

素因数分解:

$2^5\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{2803}}^1$

素因数の和:5357

約数の個数: 48

約数和(自身を含む): 2692176480

約数和(自身を除く): 1553485760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2539, 2803, 5078, 5606, 10156, 11212, 12695, 14015, 20312, 22424, 25390, 28030, 40624, 44848, 50780, 56060, 81248, 89696, 101560, 112120, 203120, 224240, 406240, 448480, 7116817, 14233634, 28467268, 35584085, 56934536, 71168170, 113869072, 142336340, 227738144, 284672680, 569345360, 1138690720]

約数ペア:

[(1, 1138690720), (2, 569345360), (4, 284672680), (5, 227738144), (8, 142336340), (10, 113869072), (16, 71168170), (20, 56934536), (32, 35584085), (40, 28467268), (80, 14233634), (160, 7116817), (2539, 448480), (2803, 406240), (5078, 224240), (5606, 203120), (10156, 112120), (11212, 101560), (12695, 89696), (14015, 81248), (20312, 56060), (22424, 50780), (25390, 44848), (28030, 40624)]