82538800

素因数分解:

$2^4\times 5^2\times {\mathrm{206347}}^1$

素因数の和:206365

約数の個数: 30

約数和(自身を含む): 198300428

約数和(自身を除く): 115761628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 206347, 412694, 825388, 1031735, 1650776, 2063470, 3301552, 4126940, 5158675, 8253880, 10317350, 16507760, 20634700, 41269400, 82538800]

約数ペア:

[(1, 82538800), (2, 41269400), (4, 20634700), (5, 16507760), (8, 10317350), (10, 8253880), (16, 5158675), (20, 4126940), (25, 3301552), (40, 2063470), (50, 1650776), (80, 1031735), (100, 825388), (200, 412694), (400, 206347)]