61788680

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8929}}^1$

素因数の和:9113

約数の個数: 32

約数和(自身を含む): 139843800

約数和(自身を除く): 78055120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 8929, 17858, 35716, 44645, 71432, 89290, 178580, 357160, 1544717, 3089434, 6178868, 7723585, 12357736, 15447170, 30894340, 61788680]

約数ペア:

[(1, 61788680), (2, 30894340), (4, 15447170), (5, 12357736), (8, 7723585), (10, 6178868), (20, 3089434), (40, 1544717), (173, 357160), (346, 178580), (692, 89290), (865, 71432), (1384, 44645), (1730, 35716), (3460, 17858), (6920, 8929)]