80480465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 111023136

約数和(自身を除く): 30542671

約数列:

[1, 5, 13, 17, 65, 85, 173, 221, 421, 865, 1105, 2105, 2249, 2941, 5473, 7157, 11245, 14705, 27365, 35785, 38233, 72833, 93041, 191165, 364165, 465205, 946829, 1238161, 4734145, 6190805, 16096093, 80480465]

約数ペア:

[(1, 80480465), (5, 16096093), (13, 6190805), (17, 4734145), (65, 1238161), (85, 946829), (173, 465205), (221, 364165), (421, 191165), (865, 93041), (1105, 72833), (2105, 38233), (2249, 35785), (2941, 27365), (5473, 14705), (7157, 11245)]