42989720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9511}}^1$

素因数の和:9635

約数の個数: 32

約数和(自身を含む): 97593120

約数和(自身を除く): 54603400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 9511, 19022, 38044, 47555, 76088, 95110, 190220, 380440, 1074743, 2149486, 4298972, 5373715, 8597944, 10747430, 21494860, 42989720]

約数ペア:

[(1, 42989720), (2, 21494860), (4, 10747430), (5, 8597944), (8, 5373715), (10, 4298972), (20, 2149486), (40, 1074743), (113, 380440), (226, 190220), (452, 95110), (565, 76088), (904, 47555), (1130, 38044), (2260, 19022), (4520, 9511)]