8520320

素因数分解:

$2^7\times 5^1\times {\mathrm{13313}}^1$

素因数の和:13332

約数の個数: 32

約数和(自身を含む): 20370420

約数和(自身を除く): 11850100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13313, 26626, 53252, 66565, 106504, 133130, 213008, 266260, 426016, 532520, 852032, 1065040, 1704064, 2130080, 4260160, 8520320]

約数ペア:

[(1, 8520320), (2, 4260160), (4, 2130080), (5, 1704064), (8, 1065040), (10, 852032), (16, 532520), (20, 426016), (32, 266260), (40, 213008), (64, 133130), (80, 106504), (128, 66565), (160, 53252), (320, 26626), (640, 13313)]