208031680

素因数分解:

$2^6\times 5^1\times {\mathrm{650099}}^1$

素因数の和:650116

約数の個数: 28

約数和(自身を含む): 495376200

約数和(自身を除く): 287344520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 650099, 1300198, 2600396, 3250495, 5200792, 6500990, 10401584, 13001980, 20803168, 26003960, 41606336, 52007920, 104015840, 208031680]

約数ペア:

[(1, 208031680), (2, 104015840), (4, 52007920), (5, 41606336), (8, 26003960), (10, 20803168), (16, 13001980), (20, 10401584), (32, 6500990), (40, 5200792), (64, 3250495), (80, 2600396), (160, 1300198), (320, 650099)]