81415100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62627}}^1$

素因数の和:62654

約数の個数: 36

約数和(自身を含む): 190263864

約数和(自身を除く): 108848764

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62627, 125254, 250508, 313135, 626270, 814151, 1252540, 1565675, 1628302, 3131350, 3256604, 4070755, 6262700, 8141510, 16283020, 20353775, 40707550, 81415100]

約数ペア:

[(1, 81415100), (2, 40707550), (4, 20353775), (5, 16283020), (10, 8141510), (13, 6262700), (20, 4070755), (25, 3256604), (26, 3131350), (50, 1628302), (52, 1565675), (65, 1252540), (100, 814151), (130, 626270), (260, 313135), (325, 250508), (650, 125254), (1300, 62627)]