67398400

素因数分解:

$2^8\times 5^2\times {\mathrm{10531}}^1$

素因数の和:10557

約数の個数: 54

約数和(自身を含む): 166837412

約数和(自身を除く): 99439012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 10531, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 263275, 336992, 421240, 526550, 673984, 842480, 1053100, 1347968, 1684960, 2106200, 2695936, 3369920, 4212400, 6739840, 8424800, 13479680, 16849600, 33699200, 67398400]

約数ペア:

[(1, 67398400), (2, 33699200), (4, 16849600), (5, 13479680), (8, 8424800), (10, 6739840), (16, 4212400), (20, 3369920), (25, 2695936), (32, 2106200), (40, 1684960), (50, 1347968), (64, 1053100), (80, 842480), (100, 673984), (128, 526550), (160, 421240), (200, 336992), (256, 263275), (320, 210620), (400, 168496), (640, 105310), (800, 84248), (1280, 52655), (1600, 42124), (3200, 21062), (6400, 10531)]