135124520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82393}}^1$

素因数の和:82445

約数の個数: 32

約数和(自身を含む): 311449320

約数和(自身を除く): 176324800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 82393, 164786, 329572, 411965, 659144, 823930, 1647860, 3295720, 3378113, 6756226, 13512452, 16890565, 27024904, 33781130, 67562260, 135124520]

約数ペア:

[(1, 135124520), (2, 67562260), (4, 33781130), (5, 27024904), (8, 16890565), (10, 13512452), (20, 6756226), (40, 3378113), (41, 3295720), (82, 1647860), (164, 823930), (205, 659144), (328, 411965), (410, 329572), (820, 164786), (1640, 82393)]