1861098880

素因数分解:

$2^7\times 5^1\times {\mathrm{2907967}}^1$

素因数の和:2907986

約数の個数: 32

約数和(自身を含む): 4449191040

約数和(自身を除く): 2588092160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2907967, 5815934, 11631868, 14539835, 23263736, 29079670, 46527472, 58159340, 93054944, 116318680, 186109888, 232637360, 372219776, 465274720, 930549440, 1861098880]

約数ペア:

[(1, 1861098880), (2, 930549440), (4, 465274720), (5, 372219776), (8, 232637360), (10, 186109888), (16, 116318680), (20, 93054944), (32, 58159340), (40, 46527472), (64, 29079670), (80, 23263736), (128, 14539835), (160, 11631868), (320, 5815934), (640, 2907967)]