200769160

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{16139}}^1$

素因数の和:16461

約数の個数: 32

約数和(自身を含む): 453211200

約数和(自身を除く): 252442040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 16139, 32278, 64556, 80695, 129112, 161390, 322780, 645560, 5019229, 10038458, 20076916, 25096145, 40153832, 50192290, 100384580, 200769160]

約数ペア:

[(1, 200769160), (2, 100384580), (4, 50192290), (5, 40153832), (8, 25096145), (10, 20076916), (20, 10038458), (40, 5019229), (311, 645560), (622, 322780), (1244, 161390), (1555, 129112), (2488, 80695), (3110, 64556), (6220, 32278), (12440, 16139)]