39777580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2086

約数の個数: 48

約数和(自身を含む): 89236224

約数和(自身を除く): 49458644

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 2011, 3956, 4022, 4945, 8044, 9890, 10055, 19780, 20110, 40220, 46253, 86473, 92506, 172946, 185012, 231265, 345892, 432365, 462530, 864730, 925060, 1729460, 1988879, 3977758, 7955516, 9944395, 19888790, 39777580]

約数ペア:

[(1, 39777580), (2, 19888790), (4, 9944395), (5, 7955516), (10, 3977758), (20, 1988879), (23, 1729460), (43, 925060), (46, 864730), (86, 462530), (92, 432365), (115, 345892), (172, 231265), (215, 185012), (230, 172946), (430, 92506), (460, 86473), (860, 46253), (989, 40220), (1978, 20110), (2011, 19780), (3956, 10055), (4022, 9890), (4945, 8044)]