26401180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 61426512

約数和(自身を除く): 35025332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 107, 130, 146, 169, 214, 260, 292, 338, 365, 428, 535, 676, 730, 845, 949, 1070, 1391, 1460, 1690, 1898, 2140, 2782, 3380, 3796, 4745, 5564, 6955, 7811, 9490, 12337, 13910, 15622, 18083, 18980, 24674, 27820, 31244, 36166, 39055, 49348, 61685, 72332, 78110, 90415, 101543, 123370, 156220, 180830, 203086, 246740, 361660, 406172, 507715, 1015430, 1320059, 2030860, 2640118, 5280236, 6600295, 13200590, 26401180]

約数ペア:

[(1, 26401180), (2, 13200590), (4, 6600295), (5, 5280236), (10, 2640118), (13, 2030860), (20, 1320059), (26, 1015430), (52, 507715), (65, 406172), (73, 361660), (107, 246740), (130, 203086), (146, 180830), (169, 156220), (214, 123370), (260, 101543), (292, 90415), (338, 78110), (365, 72332), (428, 61685), (535, 49348), (676, 39055), (730, 36166), (845, 31244), (949, 27820), (1070, 24674), (1391, 18980), (1460, 18083), (1690, 15622), (1898, 13910), (2140, 12337), (2782, 9490), (3380, 7811), (3796, 6955), (4745, 5564)]