252018520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2011}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 613499040

約数和(自身を除く): 361480520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 1205, 1928, 2011, 2410, 3133, 4022, 4820, 6266, 8044, 9640, 10055, 12532, 15665, 16088, 20110, 25064, 26143, 31330, 40220, 52286, 62660, 80440, 104572, 125320, 130715, 209144, 261430, 484651, 522860, 969302, 1045720, 1938604, 2423255, 3877208, 4846510, 6300463, 9693020, 12600926, 19386040, 25201852, 31502315, 50403704, 63004630, 126009260, 252018520]

約数ペア:

[(1, 252018520), (2, 126009260), (4, 63004630), (5, 50403704), (8, 31502315), (10, 25201852), (13, 19386040), (20, 12600926), (26, 9693020), (40, 6300463), (52, 4846510), (65, 3877208), (104, 2423255), (130, 1938604), (241, 1045720), (260, 969302), (482, 522860), (520, 484651), (964, 261430), (1205, 209144), (1928, 130715), (2011, 125320), (2410, 104572), (3133, 80440), (4022, 62660), (4820, 52286), (6266, 40220), (8044, 31330), (9640, 26143), (10055, 25064), (12532, 20110), (15665, 16088)]