38489980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 84065184

約数和(自身を除く): 45575204

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 643, 730, 820, 1286, 1460, 2572, 2993, 3215, 5986, 6430, 11972, 12860, 14965, 26363, 29930, 46939, 52726, 59860, 93878, 105452, 131815, 187756, 234695, 263630, 469390, 527260, 938780, 1924499, 3848998, 7697996, 9622495, 19244990, 38489980]

約数ペア:

[(1, 38489980), (2, 19244990), (4, 9622495), (5, 7697996), (10, 3848998), (20, 1924499), (41, 938780), (73, 527260), (82, 469390), (146, 263630), (164, 234695), (205, 187756), (292, 131815), (365, 105452), (410, 93878), (643, 59860), (730, 52726), (820, 46939), (1286, 29930), (1460, 26363), (2572, 14965), (2993, 12860), (3215, 11972), (5986, 6430)]