99777520

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4969}}^1$

素因数の和:5233

約数の個数: 40

約数和(自身を含む): 232953840

約数和(自身を除く): 133176320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 4969, 5020, 9938, 10040, 19876, 20080, 24845, 39752, 49690, 79504, 99380, 198760, 397520, 1247219, 2494438, 4988876, 6236095, 9977752, 12472190, 19955504, 24944380, 49888760, 99777520]

約数ペア:

[(1, 99777520), (2, 49888760), (4, 24944380), (5, 19955504), (8, 12472190), (10, 9977752), (16, 6236095), (20, 4988876), (40, 2494438), (80, 1247219), (251, 397520), (502, 198760), (1004, 99380), (1255, 79504), (2008, 49690), (2510, 39752), (4016, 24845), (4969, 20080), (5020, 19876), (9938, 10040)]