47251840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 123599520

約数和(自身を除く): 76347680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 101, 128, 136, 160, 170, 172, 202, 215, 272, 320, 340, 344, 404, 430, 505, 544, 640, 680, 688, 731, 808, 860, 1010, 1088, 1360, 1376, 1462, 1616, 1717, 1720, 2020, 2176, 2720, 2752, 2924, 3232, 3434, 3440, 3655, 4040, 4343, 5440, 5504, 5848, 6464, 6868, 6880, 7310, 8080, 8585, 8686, 10880, 11696, 12928, 13736, 13760, 14620, 16160, 17170, 17372, 21715, 23392, 27472, 27520, 29240, 32320, 34340, 34744, 43430, 46784, 54944, 58480, 64640, 68680, 69488, 73831, 86860, 93568, 109888, 116960, 137360, 138976, 147662, 173720, 219776, 233920, 274720, 277952, 295324, 347440, 369155, 467840, 549440, 555904, 590648, 694880, 738310, 1098880, 1181296, 1389760, 1476620, 2362592, 2779520, 2953240, 4725184, 5906480, 9450368, 11812960, 23625920, 47251840]

約数ペア:

[(1, 47251840), (2, 23625920), (4, 11812960), (5, 9450368), (8, 5906480), (10, 4725184), (16, 2953240), (17, 2779520), (20, 2362592), (32, 1476620), (34, 1389760), (40, 1181296), (43, 1098880), (64, 738310), (68, 694880), (80, 590648), (85, 555904), (86, 549440), (101, 467840), (128, 369155), (136, 347440), (160, 295324), (170, 277952), (172, 274720), (202, 233920), (215, 219776), (272, 173720), (320, 147662), (340, 138976), (344, 137360), (404, 116960), (430, 109888), (505, 93568), (544, 86860), (640, 73831), (680, 69488), (688, 68680), (731, 64640), (808, 58480), (860, 54944), (1010, 46784), (1088, 43430), (1360, 34744), (1376, 34340), (1462, 32320), (1616, 29240), (1717, 27520), (1720, 27472), (2020, 23392), (2176, 21715), (2720, 17372), (2752, 17170), (2924, 16160), (3232, 14620), (3434, 13760), (3440, 13736), (3655, 12928), (4040, 11696), (4343, 10880), (5440, 8686), (5504, 8585), (5848, 8080), (6464, 7310), (6868, 6880)]