26926040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 37873960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 499, 568, 710, 760, 998, 1349, 1420, 1996, 2495, 2698, 2840, 3992, 4990, 5396, 6745, 9481, 9980, 10792, 13490, 18962, 19960, 26980, 35429, 37924, 47405, 53960, 70858, 75848, 94810, 141716, 177145, 189620, 283432, 354290, 379240, 673151, 708580, 1346302, 1417160, 2692604, 3365755, 5385208, 6731510, 13463020, 26926040]

約数ペア:

[(1, 26926040), (2, 13463020), (4, 6731510), (5, 5385208), (8, 3365755), (10, 2692604), (19, 1417160), (20, 1346302), (38, 708580), (40, 673151), (71, 379240), (76, 354290), (95, 283432), (142, 189620), (152, 177145), (190, 141716), (284, 94810), (355, 75848), (380, 70858), (499, 53960), (568, 47405), (710, 37924), (760, 35429), (998, 26980), (1349, 19960), (1420, 18962), (1996, 13490), (2495, 10792), (2698, 9980), (2840, 9481), (3992, 6745), (4990, 5396)]