8249720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6653}}^1$

素因数の和:6695

約数の個数: 32

約数和(自身を含む): 19163520

約数和(自身を除く): 10913800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6653, 13306, 26612, 33265, 53224, 66530, 133060, 206243, 266120, 412486, 824972, 1031215, 1649944, 2062430, 4124860, 8249720]

約数ペア:

[(1, 8249720), (2, 4124860), (4, 2062430), (5, 1649944), (8, 1031215), (10, 824972), (20, 412486), (31, 266120), (40, 206243), (62, 133060), (124, 66530), (155, 53224), (248, 33265), (310, 26612), (620, 13306), (1240, 6653)]