20194780160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{171491}}^1$

素因数の和:171539

約数の個数: 88

約数和(自身を含む): 50550353856

約数和(自身を除く): 30355573696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1840, 2560, 2944, 3680, 5120, 5888, 7360, 11776, 14720, 23552, 29440, 58880, 117760, 171491, 342982, 685964, 857455, 1371928, 1714910, 2743856, 3429820, 3944293, 5487712, 6859640, 7888586, 10975424, 13719280, 15777172, 19721465, 21950848, 27438560, 31554344, 39442930, 43901696, 54877120, 63108688, 78885860, 87803392, 109754240, 126217376, 157771720, 175606784, 219508480, 252434752, 315543440, 439016960, 504869504, 631086880, 878033920, 1009739008, 1262173760, 2019478016, 2524347520, 4038956032, 5048695040, 10097390080, 20194780160]

約数ペア:

[(1, 20194780160), (2, 10097390080), (4, 5048695040), (5, 4038956032), (8, 2524347520), (10, 2019478016), (16, 1262173760), (20, 1009739008), (23, 878033920), (32, 631086880), (40, 504869504), (46, 439016960), (64, 315543440), (80, 252434752), (92, 219508480), (115, 175606784), (128, 157771720), (160, 126217376), (184, 109754240), (230, 87803392), (256, 78885860), (320, 63108688), (368, 54877120), (460, 43901696), (512, 39442930), (640, 31554344), (736, 27438560), (920, 21950848), (1024, 19721465), (1280, 15777172), (1472, 13719280), (1840, 10975424), (2560, 7888586), (2944, 6859640), (3680, 5487712), (5120, 3944293), (5888, 3429820), (7360, 2743856), (11776, 1714910), (14720, 1371928), (23552, 857455), (29440, 685964), (58880, 342982), (117760, 171491)]