40128950

素因数分解:

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

素因数の和:881

約数の個数: 48

約数和(自身を含む): 80151120

約数和(自身を除く): 40022170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 475, 530, 797, 950, 1007, 1325, 1594, 2014, 2650, 3985, 5035, 7970, 10070, 15143, 19925, 25175, 30286, 39850, 42241, 50350, 75715, 84482, 151430, 211205, 378575, 422410, 757150, 802579, 1056025, 1605158, 2112050, 4012895, 8025790, 20064475, 40128950]

約数ペア:

[(1, 40128950), (2, 20064475), (5, 8025790), (10, 4012895), (19, 2112050), (25, 1605158), (38, 1056025), (50, 802579), (53, 757150), (95, 422410), (106, 378575), (190, 211205), (265, 151430), (475, 84482), (530, 75715), (797, 50350), (950, 42241), (1007, 39850), (1325, 30286), (1594, 25175), (2014, 19925), (2650, 15143), (3985, 10070), (5035, 7970)]