25402600

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 59510700

約数和(自身を除く): 34108100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 809, 1256, 1570, 1618, 3140, 3236, 3925, 4045, 6280, 6472, 7850, 8090, 15700, 16180, 20225, 31400, 32360, 40450, 80900, 127013, 161800, 254026, 508052, 635065, 1016104, 1270130, 2540260, 3175325, 5080520, 6350650, 12701300, 25402600]

約数ペア:

[(1, 25402600), (2, 12701300), (4, 6350650), (5, 5080520), (8, 3175325), (10, 2540260), (20, 1270130), (25, 1016104), (40, 635065), (50, 508052), (100, 254026), (157, 161800), (200, 127013), (314, 80900), (628, 40450), (785, 32360), (809, 31400), (1256, 20225), (1570, 16180), (1618, 15700), (3140, 8090), (3236, 7850), (3925, 6472), (4045, 6280)]