89874280

素因数分解:

$2^3\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{1511}}^1$

素因数の和:3009

約数の個数: 32

約数和(自身を含む): 202487040

約数和(自身を除く): 112612760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1487, 1511, 2974, 3022, 5948, 6044, 7435, 7555, 11896, 12088, 14870, 15110, 29740, 30220, 59480, 60440, 2246857, 4493714, 8987428, 11234285, 17974856, 22468570, 44937140, 89874280]

約数ペア:

[(1, 89874280), (2, 44937140), (4, 22468570), (5, 17974856), (8, 11234285), (10, 8987428), (20, 4493714), (40, 2246857), (1487, 60440), (1511, 59480), (2974, 30220), (3022, 29740), (5948, 15110), (6044, 14870), (7435, 12088), (7555, 11896)]