25986620

素因数分解:

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

素因数の和:171

約数の個数: 96

約数和(自身を含む): 63334656

約数和(自身を除く): 37348036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 43, 44, 55, 67, 82, 86, 110, 134, 164, 172, 205, 215, 220, 268, 335, 410, 430, 451, 473, 670, 737, 820, 860, 902, 946, 1340, 1474, 1763, 1804, 1892, 2255, 2365, 2747, 2881, 2948, 3526, 3685, 4510, 4730, 5494, 5762, 7052, 7370, 8815, 9020, 9460, 10988, 11524, 13735, 14405, 14740, 17630, 19393, 27470, 28810, 30217, 31691, 35260, 38786, 54940, 57620, 60434, 63382, 77572, 96965, 118121, 120868, 126764, 151085, 158455, 193930, 236242, 302170, 316910, 387860, 472484, 590605, 604340, 633820, 1181210, 1299331, 2362420, 2598662, 5197324, 6496655, 12993310, 25986620]

約数ペア:

[(1, 25986620), (2, 12993310), (4, 6496655), (5, 5197324), (10, 2598662), (11, 2362420), (20, 1299331), (22, 1181210), (41, 633820), (43, 604340), (44, 590605), (55, 472484), (67, 387860), (82, 316910), (86, 302170), (110, 236242), (134, 193930), (164, 158455), (172, 151085), (205, 126764), (215, 120868), (220, 118121), (268, 96965), (335, 77572), (410, 63382), (430, 60434), (451, 57620), (473, 54940), (670, 38786), (737, 35260), (820, 31691), (860, 30217), (902, 28810), (946, 27470), (1340, 19393), (1474, 17630), (1763, 14740), (1804, 14405), (1892, 13735), (2255, 11524), (2365, 10988), (2747, 9460), (2881, 9020), (2948, 8815), (3526, 7370), (3685, 7052), (4510, 5762), (4730, 5494)]