20235875000

素因数分解:

$2^3\times 5^6\times {\mathrm{11}}^1\times {\mathrm{14717}}^1$

素因数の和:14764

約数の個数: 112

約数和(自身を含む): 51742306440

約数和(自身を除く): 31506431440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 3125, 5000, 5500, 6250, 6875, 11000, 12500, 13750, 14717, 15625, 25000, 27500, 29434, 31250, 34375, 55000, 58868, 62500, 68750, 73585, 117736, 125000, 137500, 147170, 161887, 171875, 275000, 294340, 323774, 343750, 367925, 588680, 647548, 687500, 735850, 809435, 1295096, 1375000, 1471700, 1618870, 1839625, 2943400, 3237740, 3679250, 4047175, 6475480, 7358500, 8094350, 9198125, 14717000, 16188700, 18396250, 20235875, 32377400, 36792500, 40471750, 45990625, 73585000, 80943500, 91981250, 101179375, 161887000, 183962500, 202358750, 229953125, 367925000, 404717500, 459906250, 505896875, 809435000, 919812500, 1011793750, 1839625000, 2023587500, 2529484375, 4047175000, 5058968750, 10117937500, 20235875000]

約数ペア:

[(1, 20235875000), (2, 10117937500), (4, 5058968750), (5, 4047175000), (8, 2529484375), (10, 2023587500), (11, 1839625000), (20, 1011793750), (22, 919812500), (25, 809435000), (40, 505896875), (44, 459906250), (50, 404717500), (55, 367925000), (88, 229953125), (100, 202358750), (110, 183962500), (125, 161887000), (200, 101179375), (220, 91981250), (250, 80943500), (275, 73585000), (440, 45990625), (500, 40471750), (550, 36792500), (625, 32377400), (1000, 20235875), (1100, 18396250), (1250, 16188700), (1375, 14717000), (2200, 9198125), (2500, 8094350), (2750, 7358500), (3125, 6475480), (5000, 4047175), (5500, 3679250), (6250, 3237740), (6875, 2943400), (11000, 1839625), (12500, 1618870), (13750, 1471700), (14717, 1375000), (15625, 1295096), (25000, 809435), (27500, 735850), (29434, 687500), (31250, 647548), (34375, 588680), (55000, 367925), (58868, 343750), (62500, 323774), (68750, 294340), (73585, 275000), (117736, 171875), (125000, 161887), (137500, 147170)]