38974780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 88764480

約数和(自身を除く): 49789700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 887, 1690, 1774, 2197, 3380, 3548, 4394, 4435, 8788, 8870, 10985, 11531, 17740, 21970, 23062, 43940, 46124, 57655, 115310, 149903, 230620, 299806, 599612, 749515, 1499030, 1948739, 2998060, 3897478, 7794956, 9743695, 19487390, 38974780]

約数ペア:

[(1, 38974780), (2, 19487390), (4, 9743695), (5, 7794956), (10, 3897478), (13, 2998060), (20, 1948739), (26, 1499030), (52, 749515), (65, 599612), (130, 299806), (169, 230620), (260, 149903), (338, 115310), (676, 57655), (845, 46124), (887, 43940), (1690, 23062), (1774, 21970), (2197, 17740), (3380, 11531), (3548, 10985), (4394, 8870), (4435, 8788)]