2016198520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{3613}}^1$

素因数の和:5624

約数の個数: 64

約数和(自身を含む): 5188547520

約数和(自身を除く): 3172349000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1993, 3613, 3986, 7226, 7972, 9965, 13951, 14452, 15944, 18065, 19930, 25291, 27902, 28904, 36130, 39860, 50582, 55804, 69755, 72260, 79720, 101164, 111608, 126455, 139510, 144520, 202328, 252910, 279020, 505820, 558040, 1011640, 7200709, 14401418, 28802836, 36003545, 50404963, 57605672, 72007090, 100809926, 144014180, 201619852, 252024815, 288028360, 403239704, 504049630, 1008099260, 2016198520]

約数ペア:

[(1, 2016198520), (2, 1008099260), (4, 504049630), (5, 403239704), (7, 288028360), (8, 252024815), (10, 201619852), (14, 144014180), (20, 100809926), (28, 72007090), (35, 57605672), (40, 50404963), (56, 36003545), (70, 28802836), (140, 14401418), (280, 7200709), (1993, 1011640), (3613, 558040), (3986, 505820), (7226, 279020), (7972, 252910), (9965, 202328), (13951, 144520), (14452, 139510), (15944, 126455), (18065, 111608), (19930, 101164), (25291, 79720), (27902, 72260), (28904, 69755), (36130, 55804), (39860, 50582)]