12570500

素因数分解:

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

素因数の和:861

約数の個数: 48

約数和(自身を含む): 28374528

約数和(自身を除く): 15804028

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 811, 1550, 1622, 3100, 3244, 3875, 4055, 7750, 8110, 15500, 16220, 20275, 25141, 40550, 50282, 81100, 100564, 101375, 125705, 202750, 251410, 405500, 502820, 628525, 1257050, 2514100, 3142625, 6285250, 12570500]

約数ペア:

[(1, 12570500), (2, 6285250), (4, 3142625), (5, 2514100), (10, 1257050), (20, 628525), (25, 502820), (31, 405500), (50, 251410), (62, 202750), (100, 125705), (124, 101375), (125, 100564), (155, 81100), (250, 50282), (310, 40550), (500, 25141), (620, 20275), (775, 16220), (811, 15500), (1550, 8110), (1622, 7750), (3100, 4055), (3244, 3875)]