27138820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 58766400

約数和(自身を除く): 31627580

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 211, 218, 236, 295, 422, 436, 545, 590, 844, 1055, 1090, 1180, 2110, 2180, 4220, 6431, 12449, 12862, 22999, 24898, 25724, 32155, 45998, 49796, 62245, 64310, 91996, 114995, 124490, 128620, 229990, 248980, 459980, 1356941, 2713882, 5427764, 6784705, 13569410, 27138820]

約数ペア:

[(1, 27138820), (2, 13569410), (4, 6784705), (5, 5427764), (10, 2713882), (20, 1356941), (59, 459980), (109, 248980), (118, 229990), (211, 128620), (218, 124490), (236, 114995), (295, 91996), (422, 64310), (436, 62245), (545, 49796), (590, 45998), (844, 32155), (1055, 25724), (1090, 24898), (1180, 22999), (2110, 12862), (2180, 12449), (4220, 6431)]