40328840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23447}}^1$

素因数の和:23501

約数の個数: 32

約数和(自身を含む): 92854080

約数和(自身を除く): 52525240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23447, 46894, 93788, 117235, 187576, 234470, 468940, 937880, 1008221, 2016442, 4032884, 5041105, 8065768, 10082210, 20164420, 40328840]

約数ペア:

[(1, 40328840), (2, 20164420), (4, 10082210), (5, 8065768), (8, 5041105), (10, 4032884), (20, 2016442), (40, 1008221), (43, 937880), (86, 468940), (172, 234470), (215, 187576), (344, 117235), (430, 93788), (860, 46894), (1720, 23447)]