21176126080

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{807017}}^1$

素因数の和:807077

約数の個数: 64

約数和(自身を含む): 51858976680

約数和(自身を除く): 30682850600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 13120, 26240, 807017, 1614034, 3228068, 4035085, 6456136, 8070170, 12912272, 16140340, 25824544, 32280680, 33087697, 51649088, 64561360, 66175394, 103298176, 129122720, 132350788, 165438485, 258245440, 264701576, 330876970, 516490880, 529403152, 661753940, 1058806304, 1323507880, 2117612608, 2647015760, 4235225216, 5294031520, 10588063040, 21176126080]

約数ペア:

[(1, 21176126080), (2, 10588063040), (4, 5294031520), (5, 4235225216), (8, 2647015760), (10, 2117612608), (16, 1323507880), (20, 1058806304), (32, 661753940), (40, 529403152), (41, 516490880), (64, 330876970), (80, 264701576), (82, 258245440), (128, 165438485), (160, 132350788), (164, 129122720), (205, 103298176), (320, 66175394), (328, 64561360), (410, 51649088), (640, 33087697), (656, 32280680), (820, 25824544), (1312, 16140340), (1640, 12912272), (2624, 8070170), (3280, 6456136), (5248, 4035085), (6560, 3228068), (13120, 1614034), (26240, 807017)]