64414400

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 84

約数和(自身を含む): 160251648

約数和(自身を除く): 95837248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 160, 200, 254, 317, 320, 400, 508, 634, 635, 800, 1016, 1268, 1270, 1585, 1600, 2032, 2536, 2540, 3170, 3175, 4064, 5072, 5080, 6340, 6350, 7925, 8128, 10144, 10160, 12680, 12700, 15850, 20288, 20320, 25360, 25400, 31700, 40259, 40640, 50720, 50800, 63400, 80518, 101440, 101600, 126800, 161036, 201295, 203200, 253600, 322072, 402590, 507200, 644144, 805180, 1006475, 1288288, 1610360, 2012950, 2576576, 3220720, 4025900, 6441440, 8051800, 12882880, 16103600, 32207200, 64414400]

約数ペア:

[(1, 64414400), (2, 32207200), (4, 16103600), (5, 12882880), (8, 8051800), (10, 6441440), (16, 4025900), (20, 3220720), (25, 2576576), (32, 2012950), (40, 1610360), (50, 1288288), (64, 1006475), (80, 805180), (100, 644144), (127, 507200), (160, 402590), (200, 322072), (254, 253600), (317, 203200), (320, 201295), (400, 161036), (508, 126800), (634, 101600), (635, 101440), (800, 80518), (1016, 63400), (1268, 50800), (1270, 50720), (1585, 40640), (1600, 40259), (2032, 31700), (2536, 25400), (2540, 25360), (3170, 20320), (3175, 20288), (4064, 15850), (5072, 12700), (5080, 12680), (6340, 10160), (6350, 10144), (7925, 8128)]