66440680

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{5669}}^1$

素因数の和:5973

約数の個数: 32

約数和(自身を含む): 150028200

約数和(自身を除く): 83587520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5669, 5860, 11338, 11720, 22676, 28345, 45352, 56690, 113380, 226760, 1661017, 3322034, 6644068, 8305085, 13288136, 16610170, 33220340, 66440680]

約数ペア:

[(1, 66440680), (2, 33220340), (4, 16610170), (5, 13288136), (8, 8305085), (10, 6644068), (20, 3322034), (40, 1661017), (293, 226760), (586, 113380), (1172, 56690), (1465, 45352), (2344, 28345), (2930, 22676), (5669, 11720), (5860, 11338)]