80672240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91673}}^1$

素因数の和:91697

約数の個数: 40

約数和(自身を含む): 204616368

約数和(自身を除く): 123944128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91673, 183346, 366692, 458365, 733384, 916730, 1008403, 1466768, 1833460, 2016806, 3666920, 4033612, 5042015, 7333840, 8067224, 10084030, 16134448, 20168060, 40336120, 80672240]

約数ペア:

[(1, 80672240), (2, 40336120), (4, 20168060), (5, 16134448), (8, 10084030), (10, 8067224), (11, 7333840), (16, 5042015), (20, 4033612), (22, 3666920), (40, 2016806), (44, 1833460), (55, 1466768), (80, 1008403), (88, 916730), (110, 733384), (176, 458365), (220, 366692), (440, 183346), (880, 91673)]