66792280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 155584800

約数和(自身を除く): 88792520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 293, 328, 410, 556, 586, 695, 820, 1112, 1172, 1390, 1465, 1640, 2344, 2780, 2930, 5560, 5699, 5860, 11398, 11720, 12013, 22796, 24026, 28495, 40727, 45592, 48052, 56990, 60065, 81454, 96104, 113980, 120130, 162908, 203635, 227960, 240260, 325816, 407270, 480520, 814540, 1629080, 1669807, 3339614, 6679228, 8349035, 13358456, 16698070, 33396140, 66792280]

約数ペア:

[(1, 66792280), (2, 33396140), (4, 16698070), (5, 13358456), (8, 8349035), (10, 6679228), (20, 3339614), (40, 1669807), (41, 1629080), (82, 814540), (139, 480520), (164, 407270), (205, 325816), (278, 240260), (293, 227960), (328, 203635), (410, 162908), (556, 120130), (586, 113980), (695, 96104), (820, 81454), (1112, 60065), (1172, 56990), (1390, 48052), (1465, 45592), (1640, 40727), (2344, 28495), (2780, 24026), (2930, 22796), (5560, 12013), (5699, 11720), (5860, 11398)]