80923780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5303}}^1$

素因数の和:5428

約数の個数: 48

約数和(自身を含む): 196035840

約数和(自身を除く): 115112060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5303, 7630, 10606, 15260, 21212, 26515, 37121, 53030, 74242, 106060, 148484, 185605, 371210, 578027, 742420, 1156054, 2312108, 2890135, 4046189, 5780270, 8092378, 11560540, 16184756, 20230945, 40461890, 80923780]

約数ペア:

[(1, 80923780), (2, 40461890), (4, 20230945), (5, 16184756), (7, 11560540), (10, 8092378), (14, 5780270), (20, 4046189), (28, 2890135), (35, 2312108), (70, 1156054), (109, 742420), (140, 578027), (218, 371210), (436, 185605), (545, 148484), (763, 106060), (1090, 74242), (1526, 53030), (2180, 37121), (3052, 26515), (3815, 21212), (5303, 15260), (7630, 10606)]