70638440

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3539}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 159300000

約数和(自身を除く): 88661560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3539, 3992, 4990, 7078, 9980, 14156, 17695, 19960, 28312, 35390, 70780, 141560, 1765961, 3531922, 7063844, 8829805, 14127688, 17659610, 35319220, 70638440]

約数ペア:

[(1, 70638440), (2, 35319220), (4, 17659610), (5, 14127688), (8, 8829805), (10, 7063844), (20, 3531922), (40, 1765961), (499, 141560), (998, 70780), (1996, 35390), (2495, 28312), (3539, 19960), (3992, 17695), (4990, 14156), (7078, 9980)]