66673120

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3823}}^1$

素因数の和:3947

約数の個数: 48

約数和(自身を含む): 159001920

約数和(自身を除く): 92328800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 3823, 4360, 7646, 8720, 15292, 17440, 19115, 30584, 38230, 61168, 76460, 122336, 152920, 305840, 416707, 611680, 833414, 1666828, 2083535, 3333656, 4167070, 6667312, 8334140, 13334624, 16668280, 33336560, 66673120]

約数ペア:

[(1, 66673120), (2, 33336560), (4, 16668280), (5, 13334624), (8, 8334140), (10, 6667312), (16, 4167070), (20, 3333656), (32, 2083535), (40, 1666828), (80, 833414), (109, 611680), (160, 416707), (218, 305840), (436, 152920), (545, 122336), (872, 76460), (1090, 61168), (1744, 38230), (2180, 30584), (3488, 19115), (3823, 17440), (4360, 15292), (7646, 8720)]