71212240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80923}}^1$

素因数の和:80947

約数の個数: 40

約数和(自身を含む): 180622368

約数和(自身を除く): 109410128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 80923, 161846, 323692, 404615, 647384, 809230, 890153, 1294768, 1618460, 1780306, 3236920, 3560612, 4450765, 6473840, 7121224, 8901530, 14242448, 17803060, 35606120, 71212240]

約数ペア:

[(1, 71212240), (2, 35606120), (4, 17803060), (5, 14242448), (8, 8901530), (10, 7121224), (11, 6473840), (16, 4450765), (20, 3560612), (22, 3236920), (40, 1780306), (44, 1618460), (55, 1294768), (80, 890153), (88, 809230), (110, 647384), (176, 404615), (220, 323692), (440, 161846), (880, 80923)]