55291480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4783}}^1$

素因数の和:4828

約数の個数: 48

約数和(自身を含む): 132181920

約数和(自身を除く): 76890440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 4783, 5780, 9566, 11560, 19132, 23915, 38264, 47830, 81311, 95660, 162622, 191320, 325244, 406555, 650488, 813110, 1382287, 1626220, 2764574, 3252440, 5529148, 6911435, 11058296, 13822870, 27645740, 55291480]

約数ペア:

[(1, 55291480), (2, 27645740), (4, 13822870), (5, 11058296), (8, 6911435), (10, 5529148), (17, 3252440), (20, 2764574), (34, 1626220), (40, 1382287), (68, 813110), (85, 650488), (136, 406555), (170, 325244), (289, 191320), (340, 162622), (578, 95660), (680, 81311), (1156, 47830), (1445, 38264), (2312, 23915), (2890, 19132), (4783, 11560), (5780, 9566)]