16247720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13103}}^1$

素因数の和:13145

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 21491800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 406193, 524120, 812386, 1624772, 2030965, 3249544, 4061930, 8123860, 16247720]

約数ペア:

[(1, 16247720), (2, 8123860), (4, 4061930), (5, 3249544), (8, 2030965), (10, 1624772), (20, 812386), (31, 524120), (40, 406193), (62, 262060), (124, 131030), (155, 104824), (248, 65515), (310, 52412), (620, 26206), (1240, 13103)]