90992080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4759}}^1$

素因数の和:5011

約数の個数: 40

約数和(自身を含む): 212486400

約数和(自身を除く): 121494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4759, 4780, 9518, 9560, 19036, 19120, 23795, 38072, 47590, 76144, 95180, 190360, 380720, 1137401, 2274802, 4549604, 5687005, 9099208, 11374010, 18198416, 22748020, 45496040, 90992080]

約数ペア:

[(1, 90992080), (2, 45496040), (4, 22748020), (5, 18198416), (8, 11374010), (10, 9099208), (16, 5687005), (20, 4549604), (40, 2274802), (80, 1137401), (239, 380720), (478, 190360), (956, 95180), (1195, 76144), (1912, 47590), (2390, 38072), (3824, 23795), (4759, 19120), (4780, 19036), (9518, 9560)]