64039120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42131}}^1$

素因数の和:42163

約数の個数: 40

約数和(自身を含む): 156731040

約数和(自身を除く): 92691920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42131, 84262, 168524, 210655, 337048, 421310, 674096, 800489, 842620, 1600978, 1685240, 3201956, 3370480, 4002445, 6403912, 8004890, 12807824, 16009780, 32019560, 64039120]

約数ペア:

[(1, 64039120), (2, 32019560), (4, 16009780), (5, 12807824), (8, 8004890), (10, 6403912), (16, 4002445), (19, 3370480), (20, 3201956), (38, 1685240), (40, 1600978), (76, 842620), (80, 800489), (95, 674096), (152, 421310), (190, 337048), (304, 210655), (380, 168524), (760, 84262), (1520, 42131)]