16446220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 23551220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1487, 1580, 2212, 2765, 2974, 5530, 5948, 7435, 10409, 11060, 14870, 20818, 29740, 41636, 52045, 104090, 117473, 208180, 234946, 469892, 587365, 822311, 1174730, 1644622, 2349460, 3289244, 4111555, 8223110, 16446220]

約数ペア:

[(1, 16446220), (2, 8223110), (4, 4111555), (5, 3289244), (7, 2349460), (10, 1644622), (14, 1174730), (20, 822311), (28, 587365), (35, 469892), (70, 234946), (79, 208180), (140, 117473), (158, 104090), (316, 52045), (395, 41636), (553, 29740), (790, 20818), (1106, 14870), (1487, 11060), (1580, 10409), (2212, 7435), (2765, 5948), (2974, 5530)]