66166480

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1867}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 154266912

約数和(自身を除く): 88100432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 1867, 2215, 3544, 3734, 4430, 7088, 7468, 8860, 9335, 14936, 17720, 18670, 29872, 35440, 37340, 74680, 149360, 827081, 1654162, 3308324, 4135405, 6616648, 8270810, 13233296, 16541620, 33083240, 66166480]

約数ペア:

[(1, 66166480), (2, 33083240), (4, 16541620), (5, 13233296), (8, 8270810), (10, 6616648), (16, 4135405), (20, 3308324), (40, 1654162), (80, 827081), (443, 149360), (886, 74680), (1772, 37340), (1867, 35440), (2215, 29872), (3544, 18670), (3734, 17720), (4430, 14936), (7088, 9335), (7468, 8860)]