78857860

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{3203}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 165787776

約数和(自身を除く): 86929916

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 3203, 4924, 6155, 6406, 12310, 12812, 16015, 24620, 32030, 64060, 3942893, 7885786, 15771572, 19714465, 39428930, 78857860]

約数ペア:

[(1, 78857860), (2, 39428930), (4, 19714465), (5, 15771572), (10, 7885786), (20, 3942893), (1231, 64060), (2462, 32030), (3203, 24620), (4924, 16015), (6155, 12812), (6406, 12310)]