18804400240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1794313}}^1$

素因数の和:1794457

約数の個数: 40

約数和(自身を含む): 44053997328

約数和(自身を除く): 25249597088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 1794313, 3588626, 7177252, 8971565, 14354504, 17943130, 28709008, 35886260, 71772520, 143545040, 235055003, 470110006, 940220012, 1175275015, 1880440024, 2350550030, 3760880048, 4701100060, 9402200120, 18804400240]

約数ペア:

[(1, 18804400240), (2, 9402200120), (4, 4701100060), (5, 3760880048), (8, 2350550030), (10, 1880440024), (16, 1175275015), (20, 940220012), (40, 470110006), (80, 235055003), (131, 143545040), (262, 71772520), (524, 35886260), (655, 28709008), (1048, 17943130), (1310, 14354504), (2096, 8971565), (2620, 7177252), (5240, 3588626), (10480, 1794313)]