51155480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{17519}}^1$

素因数の和:17603

約数の個数: 32

約数和(自身を含む): 116683200

約数和(自身を除く): 65527720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 17519, 35038, 70076, 87595, 140152, 175190, 350380, 700760, 1278887, 2557774, 5115548, 6394435, 10231096, 12788870, 25577740, 51155480]

約数ペア:

[(1, 51155480), (2, 25577740), (4, 12788870), (5, 10231096), (8, 6394435), (10, 5115548), (20, 2557774), (40, 1278887), (73, 700760), (146, 350380), (292, 175190), (365, 140152), (584, 87595), (730, 70076), (1460, 35038), (2920, 17519)]