67900820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20089}}^1$

素因数の和:20124

約数の個数: 36

約数和(自身を含む): 154411740

約数和(自身を除く): 86510920

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20089, 40178, 80356, 100445, 200890, 261157, 401780, 522314, 1044628, 1305785, 2611570, 3395041, 5223140, 6790082, 13580164, 16975205, 33950410, 67900820]

約数ペア:

[(1, 67900820), (2, 33950410), (4, 16975205), (5, 13580164), (10, 6790082), (13, 5223140), (20, 3395041), (26, 2611570), (52, 1305785), (65, 1044628), (130, 522314), (169, 401780), (260, 261157), (338, 200890), (676, 100445), (845, 80356), (1690, 40178), (3380, 20089)]