42049040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 108314496

約数和(自身を除く): 66265456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 673, 710, 781, 880, 1136, 1346, 1420, 1562, 2692, 2840, 3124, 3365, 3905, 5384, 5680, 6248, 6730, 7403, 7810, 10768, 12496, 13460, 14806, 15620, 26920, 29612, 31240, 37015, 47783, 53840, 59224, 62480, 74030, 95566, 118448, 148060, 191132, 238915, 296120, 382264, 477830, 525613, 592240, 764528, 955660, 1051226, 1911320, 2102452, 2628065, 3822640, 4204904, 5256130, 8409808, 10512260, 21024520, 42049040]

約数ペア:

[(1, 42049040), (2, 21024520), (4, 10512260), (5, 8409808), (8, 5256130), (10, 4204904), (11, 3822640), (16, 2628065), (20, 2102452), (22, 1911320), (40, 1051226), (44, 955660), (55, 764528), (71, 592240), (80, 525613), (88, 477830), (110, 382264), (142, 296120), (176, 238915), (220, 191132), (284, 148060), (355, 118448), (440, 95566), (568, 74030), (673, 62480), (710, 59224), (781, 53840), (880, 47783), (1136, 37015), (1346, 31240), (1420, 29612), (1562, 26920), (2692, 15620), (2840, 14806), (3124, 13460), (3365, 12496), (3905, 10768), (5384, 7810), (5680, 7403), (6248, 6730)]