80257900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 187019280

約数和(自身を除く): 106761380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 475, 530, 797, 950, 1007, 1060, 1325, 1594, 1900, 2014, 2650, 3188, 3985, 4028, 5035, 5300, 7970, 10070, 15143, 15940, 19925, 20140, 25175, 30286, 39850, 42241, 50350, 60572, 75715, 79700, 84482, 100700, 151430, 168964, 211205, 302860, 378575, 422410, 757150, 802579, 844820, 1056025, 1514300, 1605158, 2112050, 3210316, 4012895, 4224100, 8025790, 16051580, 20064475, 40128950, 80257900]

約数ペア:

[(1, 80257900), (2, 40128950), (4, 20064475), (5, 16051580), (10, 8025790), (19, 4224100), (20, 4012895), (25, 3210316), (38, 2112050), (50, 1605158), (53, 1514300), (76, 1056025), (95, 844820), (100, 802579), (106, 757150), (190, 422410), (212, 378575), (265, 302860), (380, 211205), (475, 168964), (530, 151430), (797, 100700), (950, 84482), (1007, 79700), (1060, 75715), (1325, 60572), (1594, 50350), (1900, 42241), (2014, 39850), (2650, 30286), (3188, 25175), (3985, 20140), (4028, 19925), (5035, 15940), (5300, 15143), (7970, 10070)]