28426240

素因数分解:

$2^{14}\times 5^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 68417496

約数和(自身を除く): 39991256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 512, 640, 694, 1024, 1280, 1388, 1735, 2048, 2560, 2776, 3470, 4096, 5120, 5552, 6940, 8192, 10240, 11104, 13880, 16384, 20480, 22208, 27760, 40960, 44416, 55520, 81920, 88832, 111040, 177664, 222080, 355328, 444160, 710656, 888320, 1421312, 1776640, 2842624, 3553280, 5685248, 7106560, 14213120, 28426240]

約数ペア:

[(1, 28426240), (2, 14213120), (4, 7106560), (5, 5685248), (8, 3553280), (10, 2842624), (16, 1776640), (20, 1421312), (32, 888320), (40, 710656), (64, 444160), (80, 355328), (128, 222080), (160, 177664), (256, 111040), (320, 88832), (347, 81920), (512, 55520), (640, 44416), (694, 40960), (1024, 27760), (1280, 22208), (1388, 20480), (1735, 16384), (2048, 13880), (2560, 11104), (2776, 10240), (3470, 8192), (4096, 6940), (5120, 5552)]