804580520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283303}}^1$

素因数の和:283385

約数の個数: 32

約数和(自身を含む): 1835809920

約数和(自身を除く): 1031229400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 283303, 566606, 1133212, 1416515, 2266424, 2833030, 5666060, 11332120, 20114513, 40229026, 80458052, 100572565, 160916104, 201145130, 402290260, 804580520]

約数ペア:

[(1, 804580520), (2, 402290260), (4, 201145130), (5, 160916104), (8, 100572565), (10, 80458052), (20, 40229026), (40, 20114513), (71, 11332120), (142, 5666060), (284, 2833030), (355, 2266424), (568, 1416515), (710, 1133212), (1420, 566606), (2840, 283303)]