20482421000

素因数分解:

$2^3\times 5^3\times {\mathrm{397}}^1\times {\mathrm{51593}}^1$

素因数の和:52011

約数の個数: 64

約数和(自身を含む): 48050524080

約数和(自身を除く): 27568103080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 397, 500, 794, 1000, 1588, 1985, 3176, 3970, 7940, 9925, 15880, 19850, 39700, 49625, 51593, 79400, 99250, 103186, 198500, 206372, 257965, 397000, 412744, 515930, 1031860, 1289825, 2063720, 2579650, 5159300, 6449125, 10318600, 12898250, 20482421, 25796500, 40964842, 51593000, 81929684, 102412105, 163859368, 204824210, 409648420, 512060525, 819296840, 1024121050, 2048242100, 2560302625, 4096484200, 5120605250, 10241210500, 20482421000]

約数ペア:

[(1, 20482421000), (2, 10241210500), (4, 5120605250), (5, 4096484200), (8, 2560302625), (10, 2048242100), (20, 1024121050), (25, 819296840), (40, 512060525), (50, 409648420), (100, 204824210), (125, 163859368), (200, 102412105), (250, 81929684), (397, 51593000), (500, 40964842), (794, 25796500), (1000, 20482421), (1588, 12898250), (1985, 10318600), (3176, 6449125), (3970, 5159300), (7940, 2579650), (9925, 2063720), (15880, 1289825), (19850, 1031860), (39700, 515930), (49625, 412744), (51593, 397000), (79400, 257965), (99250, 206372), (103186, 198500)]