85137440

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 201783960

約数和(自身を除く): 116646520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1301, 1636, 2045, 2602, 3272, 4090, 5204, 6505, 6544, 8180, 10408, 13010, 13088, 16360, 20816, 26020, 32720, 41632, 52040, 65440, 104080, 208160, 532109, 1064218, 2128436, 2660545, 4256872, 5321090, 8513744, 10642180, 17027488, 21284360, 42568720, 85137440]

約数ペア:

[(1, 85137440), (2, 42568720), (4, 21284360), (5, 17027488), (8, 10642180), (10, 8513744), (16, 5321090), (20, 4256872), (32, 2660545), (40, 2128436), (80, 1064218), (160, 532109), (409, 208160), (818, 104080), (1301, 65440), (1636, 52040), (2045, 41632), (2602, 32720), (3272, 26020), (4090, 20816), (5204, 16360), (6505, 13088), (6544, 13010), (8180, 10408)]