16257440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 41912640

約数和(自身を除く): 25655200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 139, 160, 170, 172, 215, 272, 278, 340, 344, 430, 544, 556, 680, 688, 695, 731, 860, 1112, 1360, 1376, 1390, 1462, 1720, 2224, 2363, 2720, 2780, 2924, 3440, 3655, 4448, 4726, 5560, 5848, 5977, 6880, 7310, 9452, 11120, 11696, 11815, 11954, 14620, 18904, 22240, 23392, 23630, 23908, 29240, 29885, 37808, 47260, 47816, 58480, 59770, 75616, 94520, 95632, 101609, 116960, 119540, 189040, 191264, 203218, 239080, 378080, 406436, 478160, 508045, 812872, 956320, 1016090, 1625744, 2032180, 3251488, 4064360, 8128720, 16257440]

約数ペア:

[(1, 16257440), (2, 8128720), (4, 4064360), (5, 3251488), (8, 2032180), (10, 1625744), (16, 1016090), (17, 956320), (20, 812872), (32, 508045), (34, 478160), (40, 406436), (43, 378080), (68, 239080), (80, 203218), (85, 191264), (86, 189040), (136, 119540), (139, 116960), (160, 101609), (170, 95632), (172, 94520), (215, 75616), (272, 59770), (278, 58480), (340, 47816), (344, 47260), (430, 37808), (544, 29885), (556, 29240), (680, 23908), (688, 23630), (695, 23392), (731, 22240), (860, 18904), (1112, 14620), (1360, 11954), (1376, 11815), (1390, 11696), (1462, 11120), (1720, 9452), (2224, 7310), (2363, 6880), (2720, 5977), (2780, 5848), (2924, 5560), (3440, 4726), (3655, 4448)]