73970320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21503}}^1$

素因数の和:21559

約数の個数: 40

約数和(自身を含む): 175988736

約数和(自身を除く): 102018416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21503, 43006, 86012, 107515, 172024, 215030, 344048, 430060, 860120, 924629, 1720240, 1849258, 3698516, 4623145, 7397032, 9246290, 14794064, 18492580, 36985160, 73970320]

約数ペア:

[(1, 73970320), (2, 36985160), (4, 18492580), (5, 14794064), (8, 9246290), (10, 7397032), (16, 4623145), (20, 3698516), (40, 1849258), (43, 1720240), (80, 924629), (86, 860120), (172, 430060), (215, 344048), (344, 215030), (430, 172024), (688, 107515), (860, 86012), (1720, 43006), (3440, 21503)]