78571840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12923}}^1$

素因数の和:12959

約数の個数: 56

約数和(自身を含む): 196961760

約数和(自身を除く): 118389920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 12923, 25846, 51692, 64615, 103384, 129230, 206768, 245537, 258460, 413536, 491074, 516920, 827072, 982148, 1033840, 1227685, 1964296, 2067680, 2455370, 3928592, 4135360, 4910740, 7857184, 9821480, 15714368, 19642960, 39285920, 78571840]

約数ペア:

[(1, 78571840), (2, 39285920), (4, 19642960), (5, 15714368), (8, 9821480), (10, 7857184), (16, 4910740), (19, 4135360), (20, 3928592), (32, 2455370), (38, 2067680), (40, 1964296), (64, 1227685), (76, 1033840), (80, 982148), (95, 827072), (152, 516920), (160, 491074), (190, 413536), (304, 258460), (320, 245537), (380, 206768), (608, 129230), (760, 103384), (1216, 64615), (1520, 51692), (3040, 25846), (6080, 12923)]