28520320

素因数分解:

$2^7\times 5^1\times {\mathrm{44563}}^1$

素因数の和:44582

約数の個数: 32

約数和(自身を含む): 68182920

約数和(自身を除く): 39662600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44563, 89126, 178252, 222815, 356504, 445630, 713008, 891260, 1426016, 1782520, 2852032, 3565040, 5704064, 7130080, 14260160, 28520320]

約数ペア:

[(1, 28520320), (2, 14260160), (4, 7130080), (5, 5704064), (8, 3565040), (10, 2852032), (16, 1782520), (20, 1426016), (32, 891260), (40, 713008), (64, 445630), (80, 356504), (128, 222815), (160, 178252), (320, 89126), (640, 44563)]