12542240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 17794528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1823, 3440, 3646, 6880, 7292, 9115, 14584, 18230, 29168, 36460, 58336, 72920, 78389, 145840, 156778, 291680, 313556, 391945, 627112, 783890, 1254224, 1567780, 2508448, 3135560, 6271120, 12542240]

約数ペア:

[(1, 12542240), (2, 6271120), (4, 3135560), (5, 2508448), (8, 1567780), (10, 1254224), (16, 783890), (20, 627112), (32, 391945), (40, 313556), (43, 291680), (80, 156778), (86, 145840), (160, 78389), (172, 72920), (215, 58336), (344, 36460), (430, 29168), (688, 18230), (860, 14584), (1376, 9115), (1720, 7292), (1823, 6880), (3440, 3646)]