2825960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 6842880

約数和(自身を除く): 4016920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 53, 62, 86, 106, 124, 155, 172, 212, 215, 248, 265, 310, 344, 424, 430, 530, 620, 860, 1060, 1240, 1333, 1643, 1720, 2120, 2279, 2666, 3286, 4558, 5332, 6572, 6665, 8215, 9116, 10664, 11395, 13144, 13330, 16430, 18232, 22790, 26660, 32860, 45580, 53320, 65720, 70649, 91160, 141298, 282596, 353245, 565192, 706490, 1412980, 2825960]

約数ペア:

[(1, 2825960), (2, 1412980), (4, 706490), (5, 565192), (8, 353245), (10, 282596), (20, 141298), (31, 91160), (40, 70649), (43, 65720), (53, 53320), (62, 45580), (86, 32860), (106, 26660), (124, 22790), (155, 18232), (172, 16430), (212, 13330), (215, 13144), (248, 11395), (265, 10664), (310, 9116), (344, 8215), (424, 6665), (430, 6572), (530, 5332), (620, 4558), (860, 3286), (1060, 2666), (1240, 2279), (1333, 2120), (1643, 1720)]