31376680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7331}}^1$

素因数の和:7449

約数の個数: 32

約数和(自身を含む): 71267040

約数和(自身を除く): 39890360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7331, 14662, 29324, 36655, 58648, 73310, 146620, 293240, 784417, 1568834, 3137668, 3922085, 6275336, 7844170, 15688340, 31376680]

約数ペア:

[(1, 31376680), (2, 15688340), (4, 7844170), (5, 6275336), (8, 3922085), (10, 3137668), (20, 1568834), (40, 784417), (107, 293240), (214, 146620), (428, 73310), (535, 58648), (856, 36655), (1070, 29324), (2140, 14662), (4280, 7331)]