220860016

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 475733440

約数和(自身を除く): 254873424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 103, 104, 122, 169, 206, 208, 244, 338, 412, 488, 676, 793, 824, 976, 1339, 1352, 1586, 1648, 2197, 2678, 2704, 3172, 4394, 5356, 6283, 6344, 8788, 10309, 10712, 12566, 12688, 17407, 17576, 20618, 21424, 25132, 34814, 35152, 41236, 50264, 69628, 81679, 82472, 100528, 134017, 139256, 163358, 164944, 226291, 268034, 278512, 326716, 452582, 536068, 653432, 905164, 1061827, 1072136, 1306864, 1810328, 2123654, 2144272, 3620656, 4247308, 8494616, 13803751, 16989232, 27607502, 55215004, 110430008, 220860016]

約数ペア:

[(1, 220860016), (2, 110430008), (4, 55215004), (8, 27607502), (13, 16989232), (16, 13803751), (26, 8494616), (52, 4247308), (61, 3620656), (103, 2144272), (104, 2123654), (122, 1810328), (169, 1306864), (206, 1072136), (208, 1061827), (244, 905164), (338, 653432), (412, 536068), (488, 452582), (676, 326716), (793, 278512), (824, 268034), (976, 226291), (1339, 164944), (1352, 163358), (1586, 139256), (1648, 134017), (2197, 100528), (2678, 82472), (2704, 81679), (3172, 69628), (4394, 50264), (5356, 41236), (6283, 35152), (6344, 34814), (8788, 25132), (10309, 21424), (10712, 20618), (12566, 17576), (12688, 17407)]