20160383920

素因数分解:

$2^4\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{91939}}^1$

素因数の和:94693

約数の個数: 40

約数和(自身を含む): 46890503280

約数和(自身を除く): 26730119360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2741, 5482, 10964, 13705, 21928, 27410, 43856, 54820, 91939, 109640, 183878, 219280, 367756, 459695, 735512, 919390, 1471024, 1838780, 3677560, 7355120, 252004799, 504009598, 1008019196, 1260023995, 2016038392, 2520047990, 4032076784, 5040095980, 10080191960, 20160383920]

約数ペア:

[(1, 20160383920), (2, 10080191960), (4, 5040095980), (5, 4032076784), (8, 2520047990), (10, 2016038392), (16, 1260023995), (20, 1008019196), (40, 504009598), (80, 252004799), (2741, 7355120), (5482, 3677560), (10964, 1838780), (13705, 1471024), (21928, 919390), (27410, 735512), (43856, 459695), (54820, 367756), (91939, 219280), (109640, 183878)]