26319590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 54991872

約数和(自身を除く): 28672282

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 103, 110, 115, 202, 206, 230, 253, 505, 506, 515, 1010, 1030, 1111, 1133, 1265, 2222, 2266, 2323, 2369, 2530, 4646, 4738, 5555, 5665, 10403, 11110, 11330, 11615, 11845, 20806, 23230, 23690, 25553, 26059, 51106, 52015, 52118, 104030, 114433, 127765, 130295, 228866, 239269, 255530, 260590, 478538, 572165, 1144330, 1196345, 2392690, 2631959, 5263918, 13159795, 26319590]

約数ペア:

[(1, 26319590), (2, 13159795), (5, 5263918), (10, 2631959), (11, 2392690), (22, 1196345), (23, 1144330), (46, 572165), (55, 478538), (101, 260590), (103, 255530), (110, 239269), (115, 228866), (202, 130295), (206, 127765), (230, 114433), (253, 104030), (505, 52118), (506, 52015), (515, 51106), (1010, 26059), (1030, 25553), (1111, 23690), (1133, 23230), (1265, 20806), (2222, 11845), (2266, 11615), (2323, 11330), (2369, 11110), (2530, 10403), (4646, 5665), (4738, 5555)]