12956800

素因数分解:

$2^7\times 5^2\times {\mathrm{4049}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 32015250

約数和(自身を除く): 19058450

約数列:

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

約数ペア:

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