49148840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2082

約数の個数: 64

約数和(自身を含む): 121685760

約数和(自身を除く): 72536920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2011, 2444, 3055, 4022, 4888, 6110, 8044, 10055, 12220, 16088, 20110, 24440, 26143, 40220, 52286, 80440, 94517, 104572, 130715, 189034, 209144, 261430, 378068, 472585, 522860, 756136, 945170, 1045720, 1228721, 1890340, 2457442, 3780680, 4914884, 6143605, 9829768, 12287210, 24574420, 49148840]

約数ペア:

[(1, 49148840), (2, 24574420), (4, 12287210), (5, 9829768), (8, 6143605), (10, 4914884), (13, 3780680), (20, 2457442), (26, 1890340), (40, 1228721), (47, 1045720), (52, 945170), (65, 756136), (94, 522860), (104, 472585), (130, 378068), (188, 261430), (235, 209144), (260, 189034), (376, 130715), (470, 104572), (520, 94517), (611, 80440), (940, 52286), (1222, 40220), (1880, 26143), (2011, 24440), (2444, 20110), (3055, 16088), (4022, 12220), (4888, 10055), (6110, 8044)]