25607800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 60543000

約数和(自身を除く): 34935200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2099, 2440, 3050, 4198, 6100, 8396, 10495, 12200, 16792, 20990, 41980, 52475, 83960, 104950, 128039, 209900, 256078, 419800, 512156, 640195, 1024312, 1280390, 2560780, 3200975, 5121560, 6401950, 12803900, 25607800]

約数ペア:

[(1, 25607800), (2, 12803900), (4, 6401950), (5, 5121560), (8, 3200975), (10, 2560780), (20, 1280390), (25, 1024312), (40, 640195), (50, 512156), (61, 419800), (100, 256078), (122, 209900), (200, 128039), (244, 104950), (305, 83960), (488, 52475), (610, 41980), (1220, 20990), (1525, 16792), (2099, 12200), (2440, 10495), (3050, 8396), (4198, 6100)]