266771320

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{6113}}^1$

素因数の和:7215

約数の個数: 32

約数和(自身を含む): 600883920

約数和(自身を除く): 334112600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 6113, 8728, 10910, 12226, 21820, 24452, 30565, 43640, 48904, 61130, 122260, 244520, 6669283, 13338566, 26677132, 33346415, 53354264, 66692830, 133385660, 266771320]

約数ペア:

[(1, 266771320), (2, 133385660), (4, 66692830), (5, 53354264), (8, 33346415), (10, 26677132), (20, 13338566), (40, 6669283), (1091, 244520), (2182, 122260), (4364, 61130), (5455, 48904), (6113, 43640), (8728, 30565), (10910, 24452), (12226, 21820)]