1245971320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2831753}}^1$

素因数の和:2831775

約数の個数: 32

約数和(自身を含む): 3058294320

約数和(自身を除く): 1812323000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2831753, 5663506, 11327012, 14158765, 22654024, 28317530, 31149283, 56635060, 62298566, 113270120, 124597132, 155746415, 249194264, 311492830, 622985660, 1245971320]

約数ペア:

[(1, 1245971320), (2, 622985660), (4, 311492830), (5, 249194264), (8, 155746415), (10, 124597132), (11, 113270120), (20, 62298566), (22, 56635060), (40, 31149283), (44, 28317530), (55, 22654024), (88, 14158765), (110, 11327012), (220, 5663506), (440, 2831753)]