80977205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 106634880

約数和(自身を除く): 25657675

約数列:

[1, 5, 17, 59, 67, 85, 241, 295, 335, 1003, 1139, 1205, 3953, 4097, 5015, 5695, 14219, 16147, 19765, 20485, 67201, 71095, 80735, 241723, 274499, 336005, 952673, 1208615, 1372495, 4763365, 16195441, 80977205]

約数ペア:

[(1, 80977205), (5, 16195441), (17, 4763365), (59, 1372495), (67, 1208615), (85, 952673), (241, 336005), (295, 274499), (335, 241723), (1003, 80735), (1139, 71095), (1205, 67201), (3953, 20485), (4097, 19765), (5015, 16147), (5695, 14219)]