2080793600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{81281}}^1$

素因数の和:81311

約数の個数: 66

約数和(自身を含む): 5157911874

約数和(自身を除く): 3077118274

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 12800, 25600, 81281, 162562, 325124, 406405, 650248, 812810, 1300496, 1625620, 2032025, 2600992, 3251240, 4064050, 5201984, 6502480, 8128100, 10403968, 13004960, 16256200, 20807936, 26009920, 32512400, 41615872, 52019840, 65024800, 83231744, 104039680, 130049600, 208079360, 260099200, 416158720, 520198400, 1040396800, 2080793600]

約数ペア:

[(1, 2080793600), (2, 1040396800), (4, 520198400), (5, 416158720), (8, 260099200), (10, 208079360), (16, 130049600), (20, 104039680), (25, 83231744), (32, 65024800), (40, 52019840), (50, 41615872), (64, 32512400), (80, 26009920), (100, 20807936), (128, 16256200), (160, 13004960), (200, 10403968), (256, 8128100), (320, 6502480), (400, 5201984), (512, 4064050), (640, 3251240), (800, 2600992), (1024, 2032025), (1280, 1625620), (1600, 1300496), (2560, 812810), (3200, 650248), (5120, 406405), (6400, 325124), (12800, 162562), (25600, 81281)]