83081375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 121080960

約数和(自身を除く): 37999585

約数列:

[1, 5, 13, 25, 29, 41, 43, 65, 125, 145, 205, 215, 325, 377, 533, 559, 725, 1025, 1075, 1189, 1247, 1625, 1763, 1885, 2665, 2795, 3625, 5125, 5375, 5945, 6235, 8815, 9425, 13325, 13975, 15457, 16211, 22919, 29725, 31175, 44075, 47125, 51127, 66625, 69875, 77285, 81055, 114595, 148625, 155875, 220375, 255635, 386425, 405275, 572975, 664651, 1278175, 1932125, 2026375, 2864875, 3323255, 6390875, 16616275, 83081375]

約数ペア:

[(1, 83081375), (5, 16616275), (13, 6390875), (25, 3323255), (29, 2864875), (41, 2026375), (43, 1932125), (65, 1278175), (125, 664651), (145, 572975), (205, 405275), (215, 386425), (325, 255635), (377, 220375), (533, 155875), (559, 148625), (725, 114595), (1025, 81055), (1075, 77285), (1189, 69875), (1247, 66625), (1625, 51127), (1763, 47125), (1885, 44075), (2665, 31175), (2795, 29725), (3625, 22919), (5125, 16211), (5375, 15457), (5945, 13975), (6235, 13325), (8815, 9425)]