63871580

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{4007}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 134332128

約数和(自身を除く): 70460548

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 4007, 7970, 8014, 15940, 16028, 20035, 40070, 80140, 3193579, 6387158, 12774316, 15967895, 31935790, 63871580]

約数ペア:

[(1, 63871580), (2, 31935790), (4, 15967895), (5, 12774316), (10, 6387158), (20, 3193579), (797, 80140), (1594, 40070), (3188, 20035), (3985, 16028), (4007, 15940), (7970, 8014)]