12911200

素因数分解:

$2^5\times 5^2\times {\mathrm{16139}}^1$

素因数の和:16159

約数の個数: 36

約数和(自身を含む): 31521420

約数和(自身を除く): 18610220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 16139, 32278, 64556, 80695, 129112, 161390, 258224, 322780, 403475, 516448, 645560, 806950, 1291120, 1613900, 2582240, 3227800, 6455600, 12911200]

約数ペア:

[(1, 12911200), (2, 6455600), (4, 3227800), (5, 2582240), (8, 1613900), (10, 1291120), (16, 806950), (20, 645560), (25, 516448), (32, 403475), (40, 322780), (50, 258224), (80, 161390), (100, 129112), (160, 80695), (200, 64556), (400, 32278), (800, 16139)]