85761920

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 207174240

約数和(自身を除く): 121412320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1301, 1648, 2060, 2602, 3296, 4120, 5204, 6505, 6592, 8240, 10408, 13010, 13184, 16480, 20816, 26020, 32960, 41632, 52040, 65920, 83264, 104080, 134003, 166528, 208160, 268006, 416320, 536012, 670015, 832640, 1072024, 1340030, 2144048, 2680060, 4288096, 5360120, 8576192, 10720240, 17152384, 21440480, 42880960, 85761920]

約数ペア:

[(1, 85761920), (2, 42880960), (4, 21440480), (5, 17152384), (8, 10720240), (10, 8576192), (16, 5360120), (20, 4288096), (32, 2680060), (40, 2144048), (64, 1340030), (80, 1072024), (103, 832640), (128, 670015), (160, 536012), (206, 416320), (320, 268006), (412, 208160), (515, 166528), (640, 134003), (824, 104080), (1030, 83264), (1301, 65920), (1648, 52040), (2060, 41632), (2602, 32960), (3296, 26020), (4120, 20816), (5204, 16480), (6505, 13184), (6592, 13010), (8240, 10408)]