13839640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11161}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 32146560

約数和(自身を除く): 18306920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11161, 22322, 44644, 55805, 89288, 111610, 223220, 345991, 446440, 691982, 1383964, 1729955, 2767928, 3459910, 6919820, 13839640]

約数ペア:

[(1, 13839640), (2, 6919820), (4, 3459910), (5, 2767928), (8, 1729955), (10, 1383964), (20, 691982), (31, 446440), (40, 345991), (62, 223220), (124, 111610), (155, 89288), (248, 55805), (310, 44644), (620, 22322), (1240, 11161)]