55777960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199207}}^1$

素因数の和:199225

約数の個数: 32

約数和(自身を含む): 143429760

約数和(自身を除く): 87651800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199207, 398414, 796828, 996035, 1394449, 1593656, 1992070, 2788898, 3984140, 5577796, 6972245, 7968280, 11155592, 13944490, 27888980, 55777960]

約数ペア:

[(1, 55777960), (2, 27888980), (4, 13944490), (5, 11155592), (7, 7968280), (8, 6972245), (10, 5577796), (14, 3984140), (20, 2788898), (28, 1992070), (35, 1593656), (40, 1394449), (56, 996035), (70, 796828), (140, 398414), (280, 199207)]