25047328

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 26179232

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 109, 167, 172, 218, 334, 344, 436, 668, 688, 872, 1336, 1376, 1744, 2672, 3488, 4687, 5344, 7181, 9374, 14362, 18203, 18748, 28724, 36406, 37496, 57448, 72812, 74992, 114896, 145624, 149984, 229792, 291248, 582496, 782729, 1565458, 3130916, 6261832, 12523664, 25047328]

約数ペア:

[(1, 25047328), (2, 12523664), (4, 6261832), (8, 3130916), (16, 1565458), (32, 782729), (43, 582496), (86, 291248), (109, 229792), (167, 149984), (172, 145624), (218, 114896), (334, 74992), (344, 72812), (436, 57448), (668, 37496), (688, 36406), (872, 28724), (1336, 18748), (1376, 18203), (1744, 14362), (2672, 9374), (3488, 7181), (4687, 5344)]