40390960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26573}}^1$

素因数の和:26605

約数の個数: 40

約数和(自身を含む): 98855280

約数和(自身を除く): 58464320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26573, 53146, 106292, 132865, 212584, 265730, 425168, 504887, 531460, 1009774, 1062920, 2019548, 2125840, 2524435, 4039096, 5048870, 8078192, 10097740, 20195480, 40390960]

約数ペア:

[(1, 40390960), (2, 20195480), (4, 10097740), (5, 8078192), (8, 5048870), (10, 4039096), (16, 2524435), (19, 2125840), (20, 2019548), (38, 1062920), (40, 1009774), (76, 531460), (80, 504887), (95, 425168), (152, 265730), (190, 212584), (304, 132865), (380, 106292), (760, 53146), (1520, 26573)]