39929900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9739}}^1$

素因数の和:9794

約数の個数: 36

約数和(自身を含む): 88770360

約数和(自身を除く): 48840460

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9739, 19478, 38956, 48695, 97390, 194780, 243475, 399299, 486950, 798598, 973900, 1597196, 1996495, 3992990, 7985980, 9982475, 19964950, 39929900]

約数ペア:

[(1, 39929900), (2, 19964950), (4, 9982475), (5, 7985980), (10, 3992990), (20, 1996495), (25, 1597196), (41, 973900), (50, 798598), (82, 486950), (100, 399299), (164, 243475), (205, 194780), (410, 97390), (820, 48695), (1025, 38956), (2050, 19478), (4100, 9739)]