162639640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4231}}^1$

素因数の和:4304

約数の個数: 48

約数和(自身を含む): 378213840

約数和(自身を除く): 215574200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4231, 4805, 7688, 8462, 9610, 16924, 19220, 21155, 33848, 38440, 42310, 84620, 131161, 169240, 262322, 524644, 655805, 1049288, 1311610, 2623220, 4065991, 5246440, 8131982, 16263964, 20329955, 32527928, 40659910, 81319820, 162639640]

約数ペア:

[(1, 162639640), (2, 81319820), (4, 40659910), (5, 32527928), (8, 20329955), (10, 16263964), (20, 8131982), (31, 5246440), (40, 4065991), (62, 2623220), (124, 1311610), (155, 1049288), (248, 655805), (310, 524644), (620, 262322), (961, 169240), (1240, 131161), (1922, 84620), (3844, 42310), (4231, 38440), (4805, 33848), (7688, 21155), (8462, 19220), (9610, 16924)]