51647360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 134835840

約数和(自身を除く): 83188480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 101, 128, 136, 160, 170, 188, 202, 235, 272, 320, 340, 376, 404, 470, 505, 544, 640, 680, 752, 799, 808, 940, 1010, 1088, 1360, 1504, 1598, 1616, 1717, 1880, 2020, 2176, 2720, 3008, 3196, 3232, 3434, 3760, 3995, 4040, 4747, 5440, 6016, 6392, 6464, 6868, 7520, 7990, 8080, 8585, 9494, 10880, 12784, 12928, 13736, 15040, 15980, 16160, 17170, 18988, 23735, 25568, 27472, 30080, 31960, 32320, 34340, 37976, 47470, 51136, 54944, 63920, 64640, 68680, 75952, 80699, 94940, 102272, 109888, 127840, 137360, 151904, 161398, 189880, 219776, 255680, 274720, 303808, 322796, 379760, 403495, 511360, 549440, 607616, 645592, 759520, 806990, 1098880, 1291184, 1519040, 1613980, 2582368, 3038080, 3227960, 5164736, 6455920, 10329472, 12911840, 25823680, 51647360]

約数ペア:

[(1, 51647360), (2, 25823680), (4, 12911840), (5, 10329472), (8, 6455920), (10, 5164736), (16, 3227960), (17, 3038080), (20, 2582368), (32, 1613980), (34, 1519040), (40, 1291184), (47, 1098880), (64, 806990), (68, 759520), (80, 645592), (85, 607616), (94, 549440), (101, 511360), (128, 403495), (136, 379760), (160, 322796), (170, 303808), (188, 274720), (202, 255680), (235, 219776), (272, 189880), (320, 161398), (340, 151904), (376, 137360), (404, 127840), (470, 109888), (505, 102272), (544, 94940), (640, 80699), (680, 75952), (752, 68680), (799, 64640), (808, 63920), (940, 54944), (1010, 51136), (1088, 47470), (1360, 37976), (1504, 34340), (1598, 32320), (1616, 31960), (1717, 30080), (1880, 27472), (2020, 25568), (2176, 23735), (2720, 18988), (3008, 17170), (3196, 16160), (3232, 15980), (3434, 15040), (3760, 13736), (3995, 12928), (4040, 12784), (4747, 10880), (5440, 9494), (6016, 8585), (6392, 8080), (6464, 7990), (6868, 7520)]