80137600

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 201103200

約数和(自身を除く): 120965600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 316, 317, 320, 395, 400, 632, 634, 640, 790, 800, 1264, 1268, 1580, 1585, 1600, 1975, 2528, 2536, 3160, 3170, 3200, 3950, 5056, 5072, 6320, 6340, 7900, 7925, 10112, 10144, 12640, 12680, 15800, 15850, 20288, 25043, 25280, 25360, 31600, 31700, 40576, 50086, 50560, 50720, 63200, 63400, 100172, 101440, 125215, 126400, 126800, 200344, 202880, 250430, 252800, 253600, 400688, 500860, 507200, 626075, 801376, 1001720, 1014400, 1252150, 1602752, 2003440, 2504300, 3205504, 4006880, 5008600, 8013760, 10017200, 16027520, 20034400, 40068800, 80137600]

約数ペア:

[(1, 80137600), (2, 40068800), (4, 20034400), (5, 16027520), (8, 10017200), (10, 8013760), (16, 5008600), (20, 4006880), (25, 3205504), (32, 2504300), (40, 2003440), (50, 1602752), (64, 1252150), (79, 1014400), (80, 1001720), (100, 801376), (128, 626075), (158, 507200), (160, 500860), (200, 400688), (316, 253600), (317, 252800), (320, 250430), (395, 202880), (400, 200344), (632, 126800), (634, 126400), (640, 125215), (790, 101440), (800, 100172), (1264, 63400), (1268, 63200), (1580, 50720), (1585, 50560), (1600, 50086), (1975, 40576), (2528, 31700), (2536, 31600), (3160, 25360), (3170, 25280), (3200, 25043), (3950, 20288), (5056, 15850), (5072, 15800), (6320, 12680), (6340, 12640), (7900, 10144), (7925, 10112)]