25122500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:810

約数の個数: 60

約数和(自身を含む): 59240412

約数和(自身を除く): 34117912

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 773, 1250, 1300, 1546, 1625, 2500, 3092, 3250, 3865, 6500, 7730, 8125, 10049, 15460, 16250, 19325, 20098, 32500, 38650, 40196, 50245, 77300, 96625, 100490, 193250, 200980, 251225, 386500, 483125, 502450, 966250, 1004900, 1256125, 1932500, 2512250, 5024500, 6280625, 12561250, 25122500]

約数ペア:

[(1, 25122500), (2, 12561250), (4, 6280625), (5, 5024500), (10, 2512250), (13, 1932500), (20, 1256125), (25, 1004900), (26, 966250), (50, 502450), (52, 483125), (65, 386500), (100, 251225), (125, 200980), (130, 193250), (250, 100490), (260, 96625), (325, 77300), (500, 50245), (625, 40196), (650, 38650), (773, 32500), (1250, 20098), (1300, 19325), (1546, 16250), (1625, 15460), (2500, 10049), (3092, 8125), (3250, 7730), (3865, 6500)]