1989440

素因数分解:

$2^6\times 5^1\times {\mathrm{6217}}^1$

素因数の和:6234

約数の個数: 28

約数和(自身を含む): 4738116

約数和(自身を除く): 2748676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6217, 12434, 24868, 31085, 49736, 62170, 99472, 124340, 198944, 248680, 397888, 497360, 994720, 1989440]

約数ペア:

[(1, 1989440), (2, 994720), (4, 497360), (5, 397888), (8, 248680), (10, 198944), (16, 124340), (20, 99472), (32, 62170), (40, 49736), (64, 31085), (80, 24868), (160, 12434), (320, 6217)]