1947349720

素因数分解:

$2^3\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{20533}}^1$

素因数の和:22915

約数の個数: 32

約数和(自身を含む): 4383598320

約数和(自身を除く): 2436248600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2371, 4742, 9484, 11855, 18968, 20533, 23710, 41066, 47420, 82132, 94840, 102665, 164264, 205330, 410660, 821320, 48683743, 97367486, 194734972, 243418715, 389469944, 486837430, 973674860, 1947349720]

約数ペア:

[(1, 1947349720), (2, 973674860), (4, 486837430), (5, 389469944), (8, 243418715), (10, 194734972), (20, 97367486), (40, 48683743), (2371, 821320), (4742, 410660), (9484, 205330), (11855, 164264), (18968, 102665), (20533, 94840), (23710, 82132), (41066, 47420)]