2660396500

素因数分解:

$2^2\times 5^3\times {\mathrm{809}}^1\times {\mathrm{6577}}^1$

素因数の和:7405

約数の個数: 48

約数和(自身を含む): 5818372560

約数和(自身を除く): 3157976060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 809, 1618, 3236, 4045, 6577, 8090, 13154, 16180, 20225, 26308, 32885, 40450, 65770, 80900, 101125, 131540, 164425, 202250, 328850, 404500, 657700, 822125, 1644250, 3288500, 5320793, 10641586, 21283172, 26603965, 53207930, 106415860, 133019825, 266039650, 532079300, 665099125, 1330198250, 2660396500]

約数ペア:

[(1, 2660396500), (2, 1330198250), (4, 665099125), (5, 532079300), (10, 266039650), (20, 133019825), (25, 106415860), (50, 53207930), (100, 26603965), (125, 21283172), (250, 10641586), (500, 5320793), (809, 3288500), (1618, 1644250), (3236, 822125), (4045, 657700), (6577, 404500), (8090, 328850), (13154, 202250), (16180, 164425), (20225, 131540), (26308, 101125), (32885, 80900), (40450, 65770)]