18200240

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2741}}^1$

素因数の和:2837

約数の個数: 40

約数和(自身を含む): 42841008

約数和(自身を除く): 24640768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2741, 3320, 5482, 6640, 10964, 13705, 21928, 27410, 43856, 54820, 109640, 219280, 227503, 455006, 910012, 1137515, 1820024, 2275030, 3640048, 4550060, 9100120, 18200240]

約数ペア:

[(1, 18200240), (2, 9100120), (4, 4550060), (5, 3640048), (8, 2275030), (10, 1820024), (16, 1137515), (20, 910012), (40, 455006), (80, 227503), (83, 219280), (166, 109640), (332, 54820), (415, 43856), (664, 27410), (830, 21928), (1328, 13705), (1660, 10964), (2741, 6640), (3320, 5482)]