7878040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5323}}^1$

素因数の和:5371

約数の個数: 32

約数和(自身を含む): 18208080

約数和(自身を除く): 10330040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5323, 10646, 21292, 26615, 42584, 53230, 106460, 196951, 212920, 393902, 787804, 984755, 1575608, 1969510, 3939020, 7878040]

約数ペア:

[(1, 7878040), (2, 3939020), (4, 1969510), (5, 1575608), (8, 984755), (10, 787804), (20, 393902), (37, 212920), (40, 196951), (74, 106460), (148, 53230), (185, 42584), (296, 26615), (370, 21292), (740, 10646), (1480, 5323)]