38758760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6971}}^1$

素因数の和:7121

約数の個数: 32

約数和(自身を含む): 87847200

約数和(自身を除く): 49088440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 6971, 13942, 27884, 34855, 55768, 69710, 139420, 278840, 968969, 1937938, 3875876, 4844845, 7751752, 9689690, 19379380, 38758760]

約数ペア:

[(1, 38758760), (2, 19379380), (4, 9689690), (5, 7751752), (8, 4844845), (10, 3875876), (20, 1937938), (40, 968969), (139, 278840), (278, 139420), (556, 69710), (695, 55768), (1112, 34855), (1390, 27884), (2780, 13942), (5560, 6971)]