72572840

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3607}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 163658880

約数和(自身を除く): 91086040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3607, 4024, 5030, 7214, 10060, 14428, 18035, 20120, 28856, 36070, 72140, 144280, 1814321, 3628642, 7257284, 9071605, 14514568, 18143210, 36286420, 72572840]

約数ペア:

[(1, 72572840), (2, 36286420), (4, 18143210), (5, 14514568), (8, 9071605), (10, 7257284), (20, 3628642), (40, 1814321), (503, 144280), (1006, 72140), (2012, 36070), (2515, 28856), (3607, 20120), (4024, 18035), (5030, 14428), (7214, 10060)]