40616440

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1823}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 91601280

約数和(自身を除く): 50984840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1823, 2228, 2785, 3646, 4456, 5570, 7292, 9115, 11140, 14584, 18230, 22280, 36460, 72920, 1015411, 2030822, 4061644, 5077055, 8123288, 10154110, 20308220, 40616440]

約数ペア:

[(1, 40616440), (2, 20308220), (4, 10154110), (5, 8123288), (8, 5077055), (10, 4061644), (20, 2030822), (40, 1015411), (557, 72920), (1114, 36460), (1823, 22280), (2228, 18230), (2785, 14584), (3646, 11140), (4456, 9115), (5570, 7292)]