39558420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19979}}^1$

素因数の和:20005

約数の個数: 72

約数和(自身を含む): 130908960

約数和(自身を除く): 91350540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19979, 39958, 59937, 79916, 99895, 119874, 179811, 199790, 219769, 239748, 299685, 359622, 399580, 439538, 599370, 659307, 719244, 879076, 899055, 1098845, 1198740, 1318614, 1798110, 1977921, 2197690, 2637228, 3296535, 3596220, 3955842, 4395380, 6593070, 7911684, 9889605, 13186140, 19779210, 39558420]

約数ペア:

[(1, 39558420), (2, 19779210), (3, 13186140), (4, 9889605), (5, 7911684), (6, 6593070), (9, 4395380), (10, 3955842), (11, 3596220), (12, 3296535), (15, 2637228), (18, 2197690), (20, 1977921), (22, 1798110), (30, 1318614), (33, 1198740), (36, 1098845), (44, 899055), (45, 879076), (55, 719244), (60, 659307), (66, 599370), (90, 439538), (99, 399580), (110, 359622), (132, 299685), (165, 239748), (180, 219769), (198, 199790), (220, 179811), (330, 119874), (396, 99895), (495, 79916), (660, 59937), (990, 39958), (1980, 19979)]