2018776040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{28627}}^1$

素因数の和:28722

約数の個数: 64

約数和(自身を含む): 4761408960

約数和(自身を除く): 2742632920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 14104, 17630, 28627, 35260, 57254, 70520, 114508, 143135, 229016, 286270, 572540, 1145080, 1173707, 1230961, 2347414, 2461922, 4694828, 4923844, 5868535, 6154805, 9389656, 9847688, 11737070, 12309610, 23474140, 24619220, 46948280, 49238440, 50469401, 100938802, 201877604, 252347005, 403755208, 504694010, 1009388020, 2018776040]

約数ペア:

[(1, 2018776040), (2, 1009388020), (4, 504694010), (5, 403755208), (8, 252347005), (10, 201877604), (20, 100938802), (40, 50469401), (41, 49238440), (43, 46948280), (82, 24619220), (86, 23474140), (164, 12309610), (172, 11737070), (205, 9847688), (215, 9389656), (328, 6154805), (344, 5868535), (410, 4923844), (430, 4694828), (820, 2461922), (860, 2347414), (1640, 1230961), (1720, 1173707), (1763, 1145080), (3526, 572540), (7052, 286270), (8815, 229016), (14104, 143135), (17630, 114508), (28627, 70520), (35260, 57254)]