39935980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40751}}^1$

素因数の和:40774

約数の個数: 36

約数和(自身を含む): 97560288

約数和(自身を除く): 57624308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40751, 81502, 163004, 203755, 285257, 407510, 570514, 815020, 1141028, 1426285, 1996799, 2852570, 3993598, 5705140, 7987196, 9983995, 19967990, 39935980]

約数ペア:

[(1, 39935980), (2, 19967990), (4, 9983995), (5, 7987196), (7, 5705140), (10, 3993598), (14, 2852570), (20, 1996799), (28, 1426285), (35, 1141028), (49, 815020), (70, 570514), (98, 407510), (140, 285257), (196, 203755), (245, 163004), (490, 81502), (980, 40751)]