25913600

素因数分解:

$2^8\times 5^2\times {\mathrm{4049}}^1$

素因数の和:4075

約数の個数: 54

約数和(自身を含む): 64156050

約数和(自身を除く): 38242450

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, 4049, 6400, 8098, 16196, 20245, 32392, 40490, 64784, 80980, 101225, 129568, 161960, 202450, 259136, 323920, 404900, 518272, 647840, 809800, 1036544, 1295680, 1619600, 2591360, 3239200, 5182720, 6478400, 12956800, 25913600]

約数ペア:

[(1, 25913600), (2, 12956800), (4, 6478400), (5, 5182720), (8, 3239200), (10, 2591360), (16, 1619600), (20, 1295680), (25, 1036544), (32, 809800), (40, 647840), (50, 518272), (64, 404900), (80, 323920), (100, 259136), (128, 202450), (160, 161960), (200, 129568), (256, 101225), (320, 80980), (400, 64784), (640, 40490), (800, 32392), (1280, 20245), (1600, 16196), (3200, 8098), (4049, 6400)]