1266252500

素因数分解:

$2^2\times 5^4\times {\mathrm{506501}}^1$

素因数の和:506525

約数の個数: 30

約数和(自身を含む): 2769046434

約数和(自身を除く): 1502793934

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 506501, 1013002, 2026004, 2532505, 5065010, 10130020, 12662525, 25325050, 50650100, 63312625, 126625250, 253250500, 316563125, 633126250, 1266252500]

約数ペア:

[(1, 1266252500), (2, 633126250), (4, 316563125), (5, 253250500), (10, 126625250), (20, 63312625), (25, 50650100), (50, 25325050), (100, 12662525), (125, 10130020), (250, 5065010), (500, 2532505), (625, 2026004), (1250, 1013002), (2500, 506501)]