16983920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4577

約数の個数: 40

約数和(自身を含む): 40336704

約数和(自身を除く): 23352784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4517, 9034, 18068, 22585, 36136, 45170, 72272, 90340, 180680, 212299, 361360, 424598, 849196, 1061495, 1698392, 2122990, 3396784, 4245980, 8491960, 16983920]

約数ペア:

[(1, 16983920), (2, 8491960), (4, 4245980), (5, 3396784), (8, 2122990), (10, 1698392), (16, 1061495), (20, 849196), (40, 424598), (47, 361360), (80, 212299), (94, 180680), (188, 90340), (235, 72272), (376, 45170), (470, 36136), (752, 22585), (940, 18068), (1880, 9034), (3760, 4517)]