72019120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47381}}^1$

素因数の和:47413

約数の個数: 40

約数和(自身を含む): 176261040

約数和(自身を除く): 104241920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47381, 94762, 189524, 236905, 379048, 473810, 758096, 900239, 947620, 1800478, 1895240, 3600956, 3790480, 4501195, 7201912, 9002390, 14403824, 18004780, 36009560, 72019120]

約数ペア:

[(1, 72019120), (2, 36009560), (4, 18004780), (5, 14403824), (8, 9002390), (10, 7201912), (16, 4501195), (19, 3790480), (20, 3600956), (38, 1895240), (40, 1800478), (76, 947620), (80, 900239), (95, 758096), (152, 473810), (190, 379048), (304, 236905), (380, 189524), (760, 94762), (1520, 47381)]