13355320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 19822280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 239, 254, 440, 478, 508, 635, 956, 1016, 1195, 1270, 1397, 1912, 2390, 2540, 2629, 2794, 4780, 5080, 5258, 5588, 6985, 9560, 10516, 11176, 13145, 13970, 21032, 26290, 27940, 30353, 52580, 55880, 60706, 105160, 121412, 151765, 242824, 303530, 333883, 607060, 667766, 1214120, 1335532, 1669415, 2671064, 3338830, 6677660, 13355320]

約数ペア:

[(1, 13355320), (2, 6677660), (4, 3338830), (5, 2671064), (8, 1669415), (10, 1335532), (11, 1214120), (20, 667766), (22, 607060), (40, 333883), (44, 303530), (55, 242824), (88, 151765), (110, 121412), (127, 105160), (220, 60706), (239, 55880), (254, 52580), (440, 30353), (478, 27940), (508, 26290), (635, 21032), (956, 13970), (1016, 13145), (1195, 11176), (1270, 10516), (1397, 9560), (1912, 6985), (2390, 5588), (2540, 5258), (2629, 5080), (2794, 4780)]