78716240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51787}}^1$

素因数の和:51819

約数の個数: 40

約数和(自身を含む): 192651360

約数和(自身を除く): 113935120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51787, 103574, 207148, 258935, 414296, 517870, 828592, 983953, 1035740, 1967906, 2071480, 3935812, 4142960, 4919765, 7871624, 9839530, 15743248, 19679060, 39358120, 78716240]

約数ペア:

[(1, 78716240), (2, 39358120), (4, 19679060), (5, 15743248), (8, 9839530), (10, 7871624), (16, 4919765), (19, 4142960), (20, 3935812), (38, 2071480), (40, 1967906), (76, 1035740), (80, 983953), (95, 828592), (152, 517870), (190, 414296), (304, 258935), (380, 207148), (760, 103574), (1520, 51787)]