102810640

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1289}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 239460120

約数和(自身を除く): 136649480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1289, 1994, 2578, 3988, 4985, 5156, 6445, 7976, 9970, 10312, 12890, 15952, 19940, 20624, 25780, 39880, 51560, 79760, 103120, 1285133, 2570266, 5140532, 6425665, 10281064, 12851330, 20562128, 25702660, 51405320, 102810640]

約数ペア:

[(1, 102810640), (2, 51405320), (4, 25702660), (5, 20562128), (8, 12851330), (10, 10281064), (16, 6425665), (20, 5140532), (40, 2570266), (80, 1285133), (997, 103120), (1289, 79760), (1994, 51560), (2578, 39880), (3988, 25780), (4985, 20624), (5156, 19940), (6445, 15952), (7976, 12890), (9970, 10312)]