28424960

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 69536880

約数和(自身を除く): 41111920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 419, 424, 530, 640, 838, 848, 1060, 1280, 1676, 1696, 2095, 2120, 3352, 3392, 4190, 4240, 6704, 6784, 8380, 8480, 13408, 13568, 16760, 16960, 22207, 26816, 33520, 33920, 44414, 53632, 67040, 67840, 88828, 107264, 111035, 134080, 177656, 222070, 268160, 355312, 444140, 536320, 710624, 888280, 1421248, 1776560, 2842496, 3553120, 5684992, 7106240, 14212480, 28424960]

約数ペア:

[(1, 28424960), (2, 14212480), (4, 7106240), (5, 5684992), (8, 3553120), (10, 2842496), (16, 1776560), (20, 1421248), (32, 888280), (40, 710624), (53, 536320), (64, 444140), (80, 355312), (106, 268160), (128, 222070), (160, 177656), (212, 134080), (256, 111035), (265, 107264), (320, 88828), (419, 67840), (424, 67040), (530, 53632), (640, 44414), (838, 33920), (848, 33520), (1060, 26816), (1280, 22207), (1676, 16960), (1696, 16760), (2095, 13568), (2120, 13408), (3352, 8480), (3392, 8380), (4190, 6784), (4240, 6704)]