83840000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 110

約数和(自身を含む): 211029324

約数和(自身を除く): 127189324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 131, 160, 200, 250, 256, 262, 320, 400, 500, 512, 524, 625, 640, 655, 800, 1000, 1024, 1048, 1250, 1280, 1310, 1600, 2000, 2096, 2500, 2560, 2620, 3200, 3275, 4000, 4192, 5000, 5120, 5240, 6400, 6550, 8000, 8384, 10000, 10480, 12800, 13100, 16000, 16375, 16768, 20000, 20960, 25600, 26200, 32000, 32750, 33536, 40000, 41920, 52400, 64000, 65500, 67072, 80000, 81875, 83840, 104800, 128000, 131000, 134144, 160000, 163750, 167680, 209600, 262000, 320000, 327500, 335360, 419200, 524000, 640000, 655000, 670720, 838400, 1048000, 1310000, 1676800, 2096000, 2620000, 3353600, 4192000, 5240000, 8384000, 10480000, 16768000, 20960000, 41920000, 83840000]

約数ペア:

[(1, 83840000), (2, 41920000), (4, 20960000), (5, 16768000), (8, 10480000), (10, 8384000), (16, 5240000), (20, 4192000), (25, 3353600), (32, 2620000), (40, 2096000), (50, 1676800), (64, 1310000), (80, 1048000), (100, 838400), (125, 670720), (128, 655000), (131, 640000), (160, 524000), (200, 419200), (250, 335360), (256, 327500), (262, 320000), (320, 262000), (400, 209600), (500, 167680), (512, 163750), (524, 160000), (625, 134144), (640, 131000), (655, 128000), (800, 104800), (1000, 83840), (1024, 81875), (1048, 80000), (1250, 67072), (1280, 65500), (1310, 64000), (1600, 52400), (2000, 41920), (2096, 40000), (2500, 33536), (2560, 32750), (2620, 32000), (3200, 26200), (3275, 25600), (4000, 20960), (4192, 20000), (5000, 16768), (5120, 16375), (5240, 16000), (6400, 13100), (6550, 12800), (8000, 10480), (8384, 10000)]