72153520

素因数分解:

$2^4\times 5^1\times {\mathrm{901919}}^1$

素因数の和:901932

約数の個数: 20

約数和(自身を含む): 167757120

約数和(自身を除く): 95603600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901919, 1803838, 3607676, 4509595, 7215352, 9019190, 14430704, 18038380, 36076760, 72153520]

約数ペア:

[(1, 72153520), (2, 36076760), (4, 18038380), (5, 14430704), (8, 9019190), (10, 7215352), (16, 4509595), (20, 3607676), (40, 1803838), (80, 901919)]