8162920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 19699200

約数和(自身を除く): 11536280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 227, 232, 248, 290, 310, 454, 580, 620, 899, 908, 1135, 1160, 1240, 1798, 1816, 2270, 3596, 4495, 4540, 6583, 7037, 7192, 8990, 9080, 13166, 14074, 17980, 26332, 28148, 32915, 35185, 35960, 52664, 56296, 65830, 70370, 131660, 140740, 204073, 263320, 281480, 408146, 816292, 1020365, 1632584, 2040730, 4081460, 8162920]

約数ペア:

[(1, 8162920), (2, 4081460), (4, 2040730), (5, 1632584), (8, 1020365), (10, 816292), (20, 408146), (29, 281480), (31, 263320), (40, 204073), (58, 140740), (62, 131660), (116, 70370), (124, 65830), (145, 56296), (155, 52664), (227, 35960), (232, 35185), (248, 32915), (290, 28148), (310, 26332), (454, 17980), (580, 14074), (620, 13166), (899, 9080), (908, 8990), (1135, 7192), (1160, 7037), (1240, 6583), (1798, 4540), (1816, 4495), (2270, 3596)]