78686000

素因数分解:

$2^4\times 5^3\times {\mathrm{39343}}^1$

素因数の和:39366

約数の個数: 40

約数和(自身を含む): 190267584

約数和(自身を除く): 111581584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 39343, 78686, 157372, 196715, 314744, 393430, 629488, 786860, 983575, 1573720, 1967150, 3147440, 3934300, 4917875, 7868600, 9835750, 15737200, 19671500, 39343000, 78686000]

約数ペア:

[(1, 78686000), (2, 39343000), (4, 19671500), (5, 15737200), (8, 9835750), (10, 7868600), (16, 4917875), (20, 3934300), (25, 3147440), (40, 1967150), (50, 1573720), (80, 983575), (100, 786860), (125, 629488), (200, 393430), (250, 314744), (400, 196715), (500, 157372), (1000, 78686), (2000, 39343)]