8647360

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 20976336

約数和(自身を除く): 12328976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 443, 488, 610, 886, 976, 1220, 1772, 1952, 2215, 2440, 3544, 3904, 4430, 4880, 7088, 8860, 9760, 14176, 17720, 19520, 27023, 28352, 35440, 54046, 70880, 108092, 135115, 141760, 216184, 270230, 432368, 540460, 864736, 1080920, 1729472, 2161840, 4323680, 8647360]

約数ペア:

[(1, 8647360), (2, 4323680), (4, 2161840), (5, 1729472), (8, 1080920), (10, 864736), (16, 540460), (20, 432368), (32, 270230), (40, 216184), (61, 141760), (64, 135115), (80, 108092), (122, 70880), (160, 54046), (244, 35440), (305, 28352), (320, 27023), (443, 19520), (488, 17720), (610, 14176), (886, 9760), (976, 8860), (1220, 7088), (1772, 4880), (1952, 4430), (2215, 3904), (2440, 3544)]