65207680

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 157222800

約数和(自身を除く): 92015120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 733, 1112, 1390, 1466, 2224, 2780, 2932, 3665, 4448, 5560, 5864, 7330, 8896, 11120, 11728, 14660, 17792, 22240, 23456, 29320, 44480, 46912, 58640, 88960, 93824, 101887, 117280, 203774, 234560, 407548, 469120, 509435, 815096, 1018870, 1630192, 2037740, 3260384, 4075480, 6520768, 8150960, 13041536, 16301920, 32603840, 65207680]

約数ペア:

[(1, 65207680), (2, 32603840), (4, 16301920), (5, 13041536), (8, 8150960), (10, 6520768), (16, 4075480), (20, 3260384), (32, 2037740), (40, 1630192), (64, 1018870), (80, 815096), (128, 509435), (139, 469120), (160, 407548), (278, 234560), (320, 203774), (556, 117280), (640, 101887), (695, 93824), (733, 88960), (1112, 58640), (1390, 46912), (1466, 44480), (2224, 29320), (2780, 23456), (2932, 22240), (3665, 17792), (4448, 14660), (5560, 11728), (5864, 11120), (7330, 8896)]