25161500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 44551780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 79, 91, 98, 100, 125, 130, 140, 158, 175, 182, 196, 245, 250, 260, 316, 325, 350, 364, 395, 455, 490, 500, 553, 637, 650, 700, 790, 875, 910, 980, 1027, 1106, 1225, 1274, 1300, 1580, 1625, 1750, 1820, 1975, 2054, 2212, 2275, 2450, 2548, 2765, 3185, 3250, 3500, 3871, 3950, 4108, 4550, 4900, 5135, 5530, 6125, 6370, 6500, 7189, 7742, 7900, 9100, 9875, 10270, 11060, 11375, 12250, 12740, 13825, 14378, 15484, 15925, 19355, 19750, 20540, 22750, 24500, 25675, 27650, 28756, 31850, 35945, 38710, 39500, 45500, 50323, 51350, 55300, 63700, 69125, 71890, 77420, 79625, 96775, 100646, 102700, 128375, 138250, 143780, 159250, 179725, 193550, 201292, 251615, 256750, 276500, 318500, 359450, 387100, 483875, 503230, 513500, 718900, 898625, 967750, 1006460, 1258075, 1797250, 1935500, 2516150, 3594500, 5032300, 6290375, 12580750, 25161500]

約数ペア:

[(1, 25161500), (2, 12580750), (4, 6290375), (5, 5032300), (7, 3594500), (10, 2516150), (13, 1935500), (14, 1797250), (20, 1258075), (25, 1006460), (26, 967750), (28, 898625), (35, 718900), (49, 513500), (50, 503230), (52, 483875), (65, 387100), (70, 359450), (79, 318500), (91, 276500), (98, 256750), (100, 251615), (125, 201292), (130, 193550), (140, 179725), (158, 159250), (175, 143780), (182, 138250), (196, 128375), (245, 102700), (250, 100646), (260, 96775), (316, 79625), (325, 77420), (350, 71890), (364, 69125), (395, 63700), (455, 55300), (490, 51350), (500, 50323), (553, 45500), (637, 39500), (650, 38710), (700, 35945), (790, 31850), (875, 28756), (910, 27650), (980, 25675), (1027, 24500), (1106, 22750), (1225, 20540), (1274, 19750), (1300, 19355), (1580, 15925), (1625, 15484), (1750, 14378), (1820, 13825), (1975, 12740), (2054, 12250), (2212, 11375), (2275, 11060), (2450, 10270), (2548, 9875), (2765, 9100), (3185, 7900), (3250, 7742), (3500, 7189), (3871, 6500), (3950, 6370), (4108, 6125), (4550, 5530), (4900, 5135)]