2568901804580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1443203261}}^1$

素因数の和:1443203359

約数の個数: 24

約数和(自身を含む): 5455308330360

約数和(自身を除く): 2886406525780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1443203261, 2886406522, 5772813044, 7216016305, 14432032610, 28864065220, 128445090229, 256890180458, 513780360916, 642225451145, 1284450902290, 2568901804580]

約数ペア:

[(1, 2568901804580), (2, 1284450902290), (4, 642225451145), (5, 513780360916), (10, 256890180458), (20, 128445090229), (89, 28864065220), (178, 14432032610), (356, 7216016305), (445, 5772813044), (890, 2886406522), (1780, 1443203261)]