20226400

素因数分解:

$2^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 50012424

約数和(自身を除く): 29786024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 131, 160, 193, 200, 262, 386, 400, 524, 655, 772, 800, 965, 1048, 1310, 1544, 1930, 2096, 2620, 3088, 3275, 3860, 4192, 4825, 5240, 6176, 6550, 7720, 9650, 10480, 13100, 15440, 19300, 20960, 25283, 26200, 30880, 38600, 50566, 52400, 77200, 101132, 104800, 126415, 154400, 202264, 252830, 404528, 505660, 632075, 809056, 1011320, 1264150, 2022640, 2528300, 4045280, 5056600, 10113200, 20226400]

約数ペア:

[(1, 20226400), (2, 10113200), (4, 5056600), (5, 4045280), (8, 2528300), (10, 2022640), (16, 1264150), (20, 1011320), (25, 809056), (32, 632075), (40, 505660), (50, 404528), (80, 252830), (100, 202264), (131, 154400), (160, 126415), (193, 104800), (200, 101132), (262, 77200), (386, 52400), (400, 50566), (524, 38600), (655, 30880), (772, 26200), (800, 25283), (965, 20960), (1048, 19300), (1310, 15440), (1544, 13100), (1930, 10480), (2096, 9650), (2620, 7720), (3088, 6550), (3275, 6176), (3860, 5240), (4192, 4825)]