68409380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2459}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 156219840

約数和(自身を除く): 87810460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2459, 2782, 4918, 5564, 6955, 9836, 12295, 13910, 24590, 27820, 31967, 49180, 63934, 127868, 159835, 263113, 319670, 526226, 639340, 1052452, 1315565, 2631130, 3420469, 5262260, 6840938, 13681876, 17102345, 34204690, 68409380]

約数ペア:

[(1, 68409380), (2, 34204690), (4, 17102345), (5, 13681876), (10, 6840938), (13, 5262260), (20, 3420469), (26, 2631130), (52, 1315565), (65, 1052452), (107, 639340), (130, 526226), (214, 319670), (260, 263113), (428, 159835), (535, 127868), (1070, 63934), (1391, 49180), (2140, 31967), (2459, 27820), (2782, 24590), (4918, 13910), (5564, 12295), (6955, 9836)]