129544960

素因数分解:

$2^8\times 5^1\times {\mathrm{101207}}^1$

素因数の和:101228

約数の個数: 36

約数和(自身を含む): 310303728

約数和(自身を除く): 180758768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101207, 202414, 404828, 506035, 809656, 1012070, 1619312, 2024140, 3238624, 4048280, 6477248, 8096560, 12954496, 16193120, 25908992, 32386240, 64772480, 129544960]

約数ペア:

[(1, 129544960), (2, 64772480), (4, 32386240), (5, 25908992), (8, 16193120), (10, 12954496), (16, 8096560), (20, 6477248), (32, 4048280), (40, 3238624), (64, 2024140), (80, 1619312), (128, 1012070), (160, 809656), (256, 506035), (320, 404828), (640, 202414), (1280, 101207)]