50445880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 117532800

約数和(自身を除く): 67086920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 211, 215, 278, 344, 422, 430, 556, 695, 844, 860, 1055, 1112, 1390, 1688, 1720, 2110, 2780, 4220, 5560, 5977, 8440, 9073, 11954, 18146, 23908, 29329, 29885, 36292, 45365, 47816, 58658, 59770, 72584, 90730, 117316, 119540, 146645, 181460, 234632, 239080, 293290, 362920, 586580, 1173160, 1261147, 2522294, 5044588, 6305735, 10089176, 12611470, 25222940, 50445880]

約数ペア:

[(1, 50445880), (2, 25222940), (4, 12611470), (5, 10089176), (8, 6305735), (10, 5044588), (20, 2522294), (40, 1261147), (43, 1173160), (86, 586580), (139, 362920), (172, 293290), (211, 239080), (215, 234632), (278, 181460), (344, 146645), (422, 119540), (430, 117316), (556, 90730), (695, 72584), (844, 59770), (860, 58658), (1055, 47816), (1112, 45365), (1390, 36292), (1688, 29885), (1720, 29329), (2110, 23908), (2780, 18146), (4220, 11954), (5560, 9073), (5977, 8440)]