20173376750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{4241}}^1$

素因数の和:4670

約数の個数: 64

約数和(自身を含む): 38593376640

約数和(自身を除く): 18419999890

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 359, 530, 718, 1325, 1795, 2650, 3590, 4241, 6625, 8482, 8975, 13250, 17950, 19027, 21205, 38054, 42410, 44875, 89750, 95135, 106025, 190270, 212050, 224773, 449546, 475675, 530125, 951350, 1060250, 1123865, 1522519, 2247730, 2378375, 3045038, 4756750, 5619325, 7612595, 11238650, 15225190, 28096625, 38062975, 56193250, 76125950, 80693507, 161387014, 190314875, 380629750, 403467535, 806935070, 2017337675, 4034675350, 10086688375, 20173376750]

約数ペア:

[(1, 20173376750), (2, 10086688375), (5, 4034675350), (10, 2017337675), (25, 806935070), (50, 403467535), (53, 380629750), (106, 190314875), (125, 161387014), (250, 80693507), (265, 76125950), (359, 56193250), (530, 38062975), (718, 28096625), (1325, 15225190), (1795, 11238650), (2650, 7612595), (3590, 5619325), (4241, 4756750), (6625, 3045038), (8482, 2378375), (8975, 2247730), (13250, 1522519), (17950, 1123865), (19027, 1060250), (21205, 951350), (38054, 530125), (42410, 475675), (44875, 449546), (89750, 224773), (95135, 212050), (106025, 190270)]