38943920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25621}}^1$

素因数の和:25653

約数の個数: 40

約数和(自身を含む): 95313840

約数和(自身を除く): 56369920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 486799, 512420, 973598, 1024840, 1947196, 2049680, 2433995, 3894392, 4867990, 7788784, 9735980, 19471960, 38943920]

約数ペア:

[(1, 38943920), (2, 19471960), (4, 9735980), (5, 7788784), (8, 4867990), (10, 3894392), (16, 2433995), (19, 2049680), (20, 1947196), (38, 1024840), (40, 973598), (76, 512420), (80, 486799), (95, 409936), (152, 256210), (190, 204968), (304, 128105), (380, 102484), (760, 51242), (1520, 25621)]