27854720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 67638240

約数和(自身を除く): 39783520

約数列:

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

約数ペア:

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