8328040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{607}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 21888000

約数和(自身を除く): 13559960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 607, 686, 980, 1214, 1372, 1715, 1960, 2428, 2744, 3035, 3430, 4249, 4856, 6070, 6860, 8498, 12140, 13720, 16996, 21245, 24280, 29743, 33992, 42490, 59486, 84980, 118972, 148715, 169960, 208201, 237944, 297430, 416402, 594860, 832804, 1041005, 1189720, 1665608, 2082010, 4164020, 8328040]

約数ペア:

[(1, 8328040), (2, 4164020), (4, 2082010), (5, 1665608), (7, 1189720), (8, 1041005), (10, 832804), (14, 594860), (20, 416402), (28, 297430), (35, 237944), (40, 208201), (49, 169960), (56, 148715), (70, 118972), (98, 84980), (140, 59486), (196, 42490), (245, 33992), (280, 29743), (343, 24280), (392, 21245), (490, 16996), (607, 13720), (686, 12140), (980, 8498), (1214, 6860), (1372, 6070), (1715, 4856), (1960, 4249), (2428, 3430), (2744, 3035)]