78113240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67339}}^1$

素因数の和:67379

約数の個数: 32

約数和(自身を含む): 181818000

約数和(自身を除く): 103704760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67339, 134678, 269356, 336695, 538712, 673390, 1346780, 1952831, 2693560, 3905662, 7811324, 9764155, 15622648, 19528310, 39056620, 78113240]

約数ペア:

[(1, 78113240), (2, 39056620), (4, 19528310), (5, 15622648), (8, 9764155), (10, 7811324), (20, 3905662), (29, 2693560), (40, 1952831), (58, 1346780), (116, 673390), (145, 538712), (232, 336695), (290, 269356), (580, 134678), (1160, 67339)]