25141000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 60802560

約数和(自身を除く): 35661560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 811, 1000, 1240, 1550, 1622, 3100, 3244, 3875, 4055, 6200, 6488, 7750, 8110, 15500, 16220, 20275, 25141, 31000, 32440, 40550, 50282, 81100, 100564, 101375, 125705, 162200, 201128, 202750, 251410, 405500, 502820, 628525, 811000, 1005640, 1257050, 2514100, 3142625, 5028200, 6285250, 12570500, 25141000]

約数ペア:

[(1, 25141000), (2, 12570500), (4, 6285250), (5, 5028200), (8, 3142625), (10, 2514100), (20, 1257050), (25, 1005640), (31, 811000), (40, 628525), (50, 502820), (62, 405500), (100, 251410), (124, 202750), (125, 201128), (155, 162200), (200, 125705), (248, 101375), (250, 100564), (310, 81100), (500, 50282), (620, 40550), (775, 32440), (811, 31000), (1000, 25141), (1240, 20275), (1550, 16220), (1622, 15500), (3100, 8110), (3244, 7750), (3875, 6488), (4055, 6200)]