20189798525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 29131468800

約数和(自身を除く): 8941670275

約数列:

[1, 5, 13, 19, 25, 59, 65, 95, 151, 247, 295, 325, 367, 475, 755, 767, 1121, 1235, 1475, 1835, 1963, 2869, 3775, 3835, 4771, 5605, 6175, 6973, 8909, 9175, 9815, 14345, 14573, 19175, 21653, 23855, 28025, 34865, 37297, 44545, 49075, 55417, 71725, 72865, 90649, 108265, 115817, 119275, 169271, 174325, 186485, 222725, 277085, 281489, 364325, 411407, 453245, 541325, 579085, 720421, 846355, 932425, 1052923, 1385425, 1407445, 2057035, 2200523, 2266225, 2895425, 3269603, 3602105, 4231775, 5264615, 5348291, 7037225, 10285175, 11002615, 13687999, 16348015, 18010525, 26323075, 26741455, 42504839, 55013075, 62122457, 68439995, 81740075, 133707275, 212524195, 310612285, 342199975, 807591941, 1062620975, 1553061425, 4037959705, 20189798525]

約数ペア:

[(1, 20189798525), (5, 4037959705), (13, 1553061425), (19, 1062620975), (25, 807591941), (59, 342199975), (65, 310612285), (95, 212524195), (151, 133707275), (247, 81740075), (295, 68439995), (325, 62122457), (367, 55013075), (475, 42504839), (755, 26741455), (767, 26323075), (1121, 18010525), (1235, 16348015), (1475, 13687999), (1835, 11002615), (1963, 10285175), (2869, 7037225), (3775, 5348291), (3835, 5264615), (4771, 4231775), (5605, 3602105), (6175, 3269603), (6973, 2895425), (8909, 2266225), (9175, 2200523), (9815, 2057035), (14345, 1407445), (14573, 1385425), (19175, 1052923), (21653, 932425), (23855, 846355), (28025, 720421), (34865, 579085), (37297, 541325), (44545, 453245), (49075, 411407), (55417, 364325), (71725, 281489), (72865, 277085), (90649, 222725), (108265, 186485), (115817, 174325), (119275, 169271)]