51973240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 135717120

約数和(自身を除く): 83743880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 43, 44, 55, 67, 82, 86, 88, 110, 134, 164, 172, 205, 215, 220, 268, 328, 335, 344, 410, 430, 440, 451, 473, 536, 670, 737, 820, 860, 902, 946, 1340, 1474, 1640, 1720, 1763, 1804, 1892, 2255, 2365, 2680, 2747, 2881, 2948, 3526, 3608, 3685, 3784, 4510, 4730, 5494, 5762, 5896, 7052, 7370, 8815, 9020, 9460, 10988, 11524, 13735, 14104, 14405, 14740, 17630, 18040, 18920, 19393, 21976, 23048, 27470, 28810, 29480, 30217, 31691, 35260, 38786, 54940, 57620, 60434, 63382, 70520, 77572, 96965, 109880, 115240, 118121, 120868, 126764, 151085, 155144, 158455, 193930, 236242, 241736, 253528, 302170, 316910, 387860, 472484, 590605, 604340, 633820, 775720, 944968, 1181210, 1208680, 1267640, 1299331, 2362420, 2598662, 4724840, 5197324, 6496655, 10394648, 12993310, 25986620, 51973240]

約数ペア:

[(1, 51973240), (2, 25986620), (4, 12993310), (5, 10394648), (8, 6496655), (10, 5197324), (11, 4724840), (20, 2598662), (22, 2362420), (40, 1299331), (41, 1267640), (43, 1208680), (44, 1181210), (55, 944968), (67, 775720), (82, 633820), (86, 604340), (88, 590605), (110, 472484), (134, 387860), (164, 316910), (172, 302170), (205, 253528), (215, 241736), (220, 236242), (268, 193930), (328, 158455), (335, 155144), (344, 151085), (410, 126764), (430, 120868), (440, 118121), (451, 115240), (473, 109880), (536, 96965), (670, 77572), (737, 70520), (820, 63382), (860, 60434), (902, 57620), (946, 54940), (1340, 38786), (1474, 35260), (1640, 31691), (1720, 30217), (1763, 29480), (1804, 28810), (1892, 27470), (2255, 23048), (2365, 21976), (2680, 19393), (2747, 18920), (2881, 18040), (2948, 17630), (3526, 14740), (3608, 14405), (3685, 14104), (3784, 13735), (4510, 11524), (4730, 10988), (5494, 9460), (5762, 9020), (5896, 8815), (7052, 7370)]