66906980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25153}}^1$

素因数の和:25188

約数の個数: 48

約数和(自身を含む): 169034880

約数和(自身を除く): 102127900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 25153, 50306, 100612, 125765, 176071, 251530, 352142, 477907, 503060, 704284, 880355, 955814, 1760710, 1911628, 2389535, 3345349, 3521420, 4779070, 6690698, 9558140, 13381396, 16726745, 33453490, 66906980]

約数ペア:

[(1, 66906980), (2, 33453490), (4, 16726745), (5, 13381396), (7, 9558140), (10, 6690698), (14, 4779070), (19, 3521420), (20, 3345349), (28, 2389535), (35, 1911628), (38, 1760710), (70, 955814), (76, 880355), (95, 704284), (133, 503060), (140, 477907), (190, 352142), (266, 251530), (380, 176071), (532, 125765), (665, 100612), (1330, 50306), (2660, 25153)]