8270720

素因数分解:

$2^7\times 5^1\times {\mathrm{12923}}^1$

素因数の和:12942

約数の個数: 32

約数和(自身を含む): 19773720

約数和(自身を除く): 11503000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12923, 25846, 51692, 64615, 103384, 129230, 206768, 258460, 413536, 516920, 827072, 1033840, 1654144, 2067680, 4135360, 8270720]

約数ペア:

[(1, 8270720), (2, 4135360), (4, 2067680), (5, 1654144), (8, 1033840), (10, 827072), (16, 516920), (20, 413536), (32, 258460), (40, 206768), (64, 129230), (80, 103384), (128, 64615), (160, 51692), (320, 25846), (640, 12923)]