40287312

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21548

約数の個数: 60

約数和(自身を含む): 121427124

約数和(自身を除く): 81139812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 21521, 43042, 64563, 86084, 129126, 172168, 193689, 258252, 279773, 344336, 387378, 516504, 559546, 774756, 839319, 1033008, 1119092, 1549512, 1678638, 2238184, 2517957, 3099024, 3357276, 4476368, 5035914, 6714552, 10071828, 13429104, 20143656, 40287312]

約数ペア:

[(1, 40287312), (2, 20143656), (3, 13429104), (4, 10071828), (6, 6714552), (8, 5035914), (9, 4476368), (12, 3357276), (13, 3099024), (16, 2517957), (18, 2238184), (24, 1678638), (26, 1549512), (36, 1119092), (39, 1033008), (48, 839319), (52, 774756), (72, 559546), (78, 516504), (104, 387378), (117, 344336), (144, 279773), (156, 258252), (208, 193689), (234, 172168), (312, 129126), (468, 86084), (624, 64563), (936, 43042), (1872, 21521)]