72860420

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2411}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 153171648

約数和(自身を除く): 80311228

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2411, 3022, 4822, 6044, 7555, 9644, 12055, 15110, 24110, 30220, 48220, 3643021, 7286042, 14572084, 18215105, 36430210, 72860420]

約数ペア:

[(1, 72860420), (2, 36430210), (4, 18215105), (5, 14572084), (10, 7286042), (20, 3643021), (1511, 48220), (2411, 30220), (3022, 24110), (4822, 15110), (6044, 12055), (7555, 9644)]