4142772020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{26177}}^1$

素因数の和:26420

約数の個数: 48

約数和(自身を含む): 8958530448

約数和(自身を除く): 4815758428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 386, 410, 772, 820, 965, 1930, 3860, 7913, 15826, 26177, 31652, 39565, 52354, 79130, 104708, 130885, 158260, 261770, 523540, 1073257, 2146514, 4293028, 5052161, 5366285, 10104322, 10732570, 20208644, 21465140, 25260805, 50521610, 101043220, 207138601, 414277202, 828554404, 1035693005, 2071386010, 4142772020]

約数ペア:

[(1, 4142772020), (2, 2071386010), (4, 1035693005), (5, 828554404), (10, 414277202), (20, 207138601), (41, 101043220), (82, 50521610), (164, 25260805), (193, 21465140), (205, 20208644), (386, 10732570), (410, 10104322), (772, 5366285), (820, 5052161), (965, 4293028), (1930, 2146514), (3860, 1073257), (7913, 523540), (15826, 261770), (26177, 158260), (31652, 130885), (39565, 104708), (52354, 79130)]