55709440

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 135541728

約数和(自身を除く): 79832288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 613, 640, 710, 1136, 1226, 1280, 1420, 2272, 2452, 2840, 3065, 4544, 4904, 5680, 6130, 9088, 9808, 11360, 12260, 18176, 19616, 22720, 24520, 39232, 43523, 45440, 49040, 78464, 87046, 90880, 98080, 156928, 174092, 196160, 217615, 348184, 392320, 435230, 696368, 784640, 870460, 1392736, 1740920, 2785472, 3481840, 5570944, 6963680, 11141888, 13927360, 27854720, 55709440]

約数ペア:

[(1, 55709440), (2, 27854720), (4, 13927360), (5, 11141888), (8, 6963680), (10, 5570944), (16, 3481840), (20, 2785472), (32, 1740920), (40, 1392736), (64, 870460), (71, 784640), (80, 696368), (128, 435230), (142, 392320), (160, 348184), (256, 217615), (284, 196160), (320, 174092), (355, 156928), (568, 98080), (613, 90880), (640, 87046), (710, 78464), (1136, 49040), (1226, 45440), (1280, 43523), (1420, 39232), (2272, 24520), (2452, 22720), (2840, 19616), (3065, 18176), (4544, 12260), (4904, 11360), (5680, 9808), (6130, 9088)]