38278360

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1949}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 86346000

約数和(自身を除く): 48067640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1949, 1964, 2455, 3898, 3928, 4910, 7796, 9745, 9820, 15592, 19490, 19640, 38980, 77960, 956959, 1913918, 3827836, 4784795, 7655672, 9569590, 19139180, 38278360]

約数ペア:

[(1, 38278360), (2, 19139180), (4, 9569590), (5, 7655672), (8, 4784795), (10, 3827836), (20, 1913918), (40, 956959), (491, 77960), (982, 38980), (1949, 19640), (1964, 19490), (2455, 15592), (3898, 9820), (3928, 9745), (4910, 7796)]