38736220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31751}}^1$

素因数の和:31821

約数の個数: 24

約数和(自身を含む): 82682208

約数和(自身を除く): 43945988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 31751, 63502, 127004, 158755, 317510, 635020, 1936811, 3873622, 7747244, 9684055, 19368110, 38736220]

約数ペア:

[(1, 38736220), (2, 19368110), (4, 9684055), (5, 7747244), (10, 3873622), (20, 1936811), (61, 635020), (122, 317510), (244, 158755), (305, 127004), (610, 63502), (1220, 31751)]