201191920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61339}}^1$

素因数の和:61393

約数の個数: 40

約数和(自身を含む): 479188080

約数和(自身を除く): 277996160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 61339, 122678, 245356, 306695, 490712, 613390, 981424, 1226780, 2453560, 2514899, 4907120, 5029798, 10059596, 12574495, 20119192, 25148990, 40238384, 50297980, 100595960, 201191920]

約数ペア:

[(1, 201191920), (2, 100595960), (4, 50297980), (5, 40238384), (8, 25148990), (10, 20119192), (16, 12574495), (20, 10059596), (40, 5029798), (41, 4907120), (80, 2514899), (82, 2453560), (164, 1226780), (205, 981424), (328, 613390), (410, 490712), (656, 306695), (820, 245356), (1640, 122678), (3280, 61339)]