201052520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 474344640

約数和(自身を除く): 273292120

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, 2851, 3526, 5702, 7052, 8815, 11404, 14104, 14255, 17630, 22808, 28510, 35260, 57020, 70520, 114040, 116891, 122593, 233782, 245186, 467564, 490372, 584455, 612965, 935128, 980744, 1168910, 1225930, 2337820, 2451860, 4675640, 4903720, 5026313, 10052626, 20105252, 25131565, 40210504, 50263130, 100526260, 201052520]

約数ペア:

[(1, 201052520), (2, 100526260), (4, 50263130), (5, 40210504), (8, 25131565), (10, 20105252), (20, 10052626), (40, 5026313), (41, 4903720), (43, 4675640), (82, 2451860), (86, 2337820), (164, 1225930), (172, 1168910), (205, 980744), (215, 935128), (328, 612965), (344, 584455), (410, 490372), (430, 467564), (820, 245186), (860, 233782), (1640, 122593), (1720, 116891), (1763, 114040), (2851, 70520), (3526, 57020), (5702, 35260), (7052, 28510), (8815, 22808), (11404, 17630), (14104, 14255)]