40497990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103841}}^1$

素因数の和:103864

約数の個数: 32

約数和(自身を含む): 104672736

約数和(自身を除く): 64174746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 103841, 207682, 311523, 519205, 623046, 1038410, 1349933, 1557615, 2699866, 3115230, 4049799, 6749665, 8099598, 13499330, 20248995, 40497990]

約数ペア:

[(1, 40497990), (2, 20248995), (3, 13499330), (5, 8099598), (6, 6749665), (10, 4049799), (13, 3115230), (15, 2699866), (26, 1557615), (30, 1349933), (39, 1038410), (65, 623046), (78, 519205), (130, 311523), (195, 207682), (390, 103841)]