81071000

素因数分解:

$2^3\times 5^3\times {\mathrm{81071}}^1$

素因数の和:81092

約数の個数: 32

約数和(自身を含む): 189708480

約数和(自身を除く): 108637480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 81071, 162142, 324284, 405355, 648568, 810710, 1621420, 2026775, 3242840, 4053550, 8107100, 10133875, 16214200, 20267750, 40535500, 81071000]

約数ペア:

[(1, 81071000), (2, 40535500), (4, 20267750), (5, 16214200), (8, 10133875), (10, 8107100), (20, 4053550), (25, 3242840), (40, 2026775), (50, 1621420), (100, 810710), (125, 648568), (200, 405355), (250, 324284), (500, 162142), (1000, 81071)]