12487040

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 30294000

約数和(自身を除く): 17806960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 179, 218, 320, 358, 436, 545, 640, 716, 872, 895, 1090, 1432, 1744, 1790, 2180, 2864, 3488, 3580, 4360, 5728, 6976, 7160, 8720, 11456, 13952, 14320, 17440, 19511, 22912, 28640, 34880, 39022, 57280, 69760, 78044, 97555, 114560, 156088, 195110, 312176, 390220, 624352, 780440, 1248704, 1560880, 2497408, 3121760, 6243520, 12487040]

約数ペア:

[(1, 12487040), (2, 6243520), (4, 3121760), (5, 2497408), (8, 1560880), (10, 1248704), (16, 780440), (20, 624352), (32, 390220), (40, 312176), (64, 195110), (80, 156088), (109, 114560), (128, 97555), (160, 78044), (179, 69760), (218, 57280), (320, 39022), (358, 34880), (436, 28640), (545, 22912), (640, 19511), (716, 17440), (872, 14320), (895, 13952), (1090, 11456), (1432, 8720), (1744, 7160), (1790, 6976), (2180, 5728), (2864, 4360), (3488, 3580)]