140010680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13309}}^1$

素因数の和:13583

約数の個数: 32

約数和(自身を含む): 316245600

約数和(自身を除く): 176234920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13309, 26618, 53236, 66545, 106472, 133090, 266180, 532360, 3500267, 7000534, 14001068, 17501335, 28002136, 35002670, 70005340, 140010680]

約数ペア:

[(1, 140010680), (2, 70005340), (4, 35002670), (5, 28002136), (8, 17501335), (10, 14001068), (20, 7000534), (40, 3500267), (263, 532360), (526, 266180), (1052, 133090), (1315, 106472), (2104, 66545), (2630, 53236), (5260, 26618), (10520, 13309)]