66245800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7703}}^1$

素因数の和:7762

約数の個数: 48

約数和(自身を含む): 157623840

約数和(自身を除く): 91378040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 7703, 8600, 15406, 30812, 38515, 61624, 77030, 154060, 192575, 308120, 331229, 385150, 662458, 770300, 1324916, 1540600, 1656145, 2649832, 3312290, 6624580, 8280725, 13249160, 16561450, 33122900, 66245800]

約数ペア:

[(1, 66245800), (2, 33122900), (4, 16561450), (5, 13249160), (8, 8280725), (10, 6624580), (20, 3312290), (25, 2649832), (40, 1656145), (43, 1540600), (50, 1324916), (86, 770300), (100, 662458), (172, 385150), (200, 331229), (215, 308120), (344, 192575), (430, 154060), (860, 77030), (1075, 61624), (1720, 38515), (2150, 30812), (4300, 15406), (7703, 8600)]