263934080

素因数分解:

$2^7\times 5^1\times {\mathrm{412397}}^1$

素因数の和:412416

約数の個数: 32

約数和(自身を含む): 630968940

約数和(自身を除く): 367034860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 412397, 824794, 1649588, 2061985, 3299176, 4123970, 6598352, 8247940, 13196704, 16495880, 26393408, 32991760, 52786816, 65983520, 131967040, 263934080]

約数ペア:

[(1, 263934080), (2, 131967040), (4, 65983520), (5, 52786816), (8, 32991760), (10, 26393408), (16, 16495880), (20, 13196704), (32, 8247940), (40, 6598352), (64, 4123970), (80, 3299176), (128, 2061985), (160, 1649588), (320, 824794), (640, 412397)]