80568880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143873}}^1$

素因数の和:143893

約数の個数: 40

約数和(自身を含む): 214084512

約数和(自身を除く): 133515632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143873, 287746, 575492, 719365, 1007111, 1150984, 1438730, 2014222, 2301968, 2877460, 4028444, 5035555, 5754920, 8056888, 10071110, 11509840, 16113776, 20142220, 40284440, 80568880]

約数ペア:

[(1, 80568880), (2, 40284440), (4, 20142220), (5, 16113776), (7, 11509840), (8, 10071110), (10, 8056888), (14, 5754920), (16, 5035555), (20, 4028444), (28, 2877460), (35, 2301968), (40, 2014222), (56, 1438730), (70, 1150984), (80, 1007111), (112, 719365), (140, 575492), (280, 287746), (560, 143873)]