38637980

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3121}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 81296880

約数和(自身を除く): 42658900

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 3121, 6190, 6242, 12380, 12484, 15605, 31210, 62420, 1931899, 3863798, 7727596, 9659495, 19318990, 38637980]

約数ペア:

[(1, 38637980), (2, 19318990), (4, 9659495), (5, 7727596), (10, 3863798), (20, 1931899), (619, 62420), (1238, 31210), (2476, 15605), (3095, 12484), (3121, 12380), (6190, 6242)]