201867920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11959}}^1$

素因数の和:12183

約数の個数: 40

約数和(自身を含む): 471606720

約数和(自身を除く): 269738800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 11959, 16880, 23918, 47836, 59795, 95672, 119590, 191344, 239180, 478360, 956720, 2523349, 5046698, 10093396, 12616745, 20186792, 25233490, 40373584, 50466980, 100933960, 201867920]

約数ペア:

[(1, 201867920), (2, 100933960), (4, 50466980), (5, 40373584), (8, 25233490), (10, 20186792), (16, 12616745), (20, 10093396), (40, 5046698), (80, 2523349), (211, 956720), (422, 478360), (844, 239180), (1055, 191344), (1688, 119590), (2110, 95672), (3376, 59795), (4220, 47836), (8440, 23918), (11959, 16880)]