25365500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 56076384

約数和(自身を除く): 30710884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 523, 970, 1046, 1940, 2092, 2425, 2615, 4850, 5230, 9700, 10460, 12125, 13075, 24250, 26150, 48500, 50731, 52300, 65375, 101462, 130750, 202924, 253655, 261500, 507310, 1014620, 1268275, 2536550, 5073100, 6341375, 12682750, 25365500]

約数ペア:

[(1, 25365500), (2, 12682750), (4, 6341375), (5, 5073100), (10, 2536550), (20, 1268275), (25, 1014620), (50, 507310), (97, 261500), (100, 253655), (125, 202924), (194, 130750), (250, 101462), (388, 65375), (485, 52300), (500, 50731), (523, 48500), (970, 26150), (1046, 24250), (1940, 13075), (2092, 12125), (2425, 10460), (2615, 9700), (4850, 5230)]