168777320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{102913}}^1$

素因数の和:102965

約数の個数: 32

約数和(自身を含む): 389014920

約数和(自身を除く): 220237600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 102913, 205826, 411652, 514565, 823304, 1029130, 2058260, 4116520, 4219433, 8438866, 16877732, 21097165, 33755464, 42194330, 84388660, 168777320]

約数ペア:

[(1, 168777320), (2, 84388660), (4, 42194330), (5, 33755464), (8, 21097165), (10, 16877732), (20, 8438866), (40, 4219433), (41, 4116520), (82, 2058260), (164, 1029130), (205, 823304), (328, 514565), (410, 411652), (820, 205826), (1640, 102913)]