11421440

素因数分解:

$2^8\times 5^1\times {\mathrm{8923}}^1$

素因数の和:8944

約数の個数: 36

約数和(自身を含む): 27360984

約数和(自身を除く): 15939544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 8923, 17846, 35692, 44615, 71384, 89230, 142768, 178460, 285536, 356920, 571072, 713840, 1142144, 1427680, 2284288, 2855360, 5710720, 11421440]

約数ペア:

[(1, 11421440), (2, 5710720), (4, 2855360), (5, 2284288), (8, 1427680), (10, 1142144), (16, 713840), (20, 571072), (32, 356920), (40, 285536), (64, 178460), (80, 142768), (128, 89230), (160, 71384), (256, 44615), (320, 35692), (640, 17846), (1280, 8923)]