138485560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{33613}}^1$

素因数の和:33727

約数の個数: 32

約数和(自身を含む): 314627040

約数和(自身を除く): 176141480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 33613, 67226, 134452, 168065, 268904, 336130, 672260, 1344520, 3462139, 6924278, 13848556, 17310695, 27697112, 34621390, 69242780, 138485560]

約数ペア:

[(1, 138485560), (2, 69242780), (4, 34621390), (5, 27697112), (8, 17310695), (10, 13848556), (20, 6924278), (40, 3462139), (103, 1344520), (206, 672260), (412, 336130), (515, 268904), (824, 168065), (1030, 134452), (2060, 67226), (4120, 33613)]