72148060

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{2003}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 151670736

約数和(自身を除く): 79522676

約数列:

[1, 2, 4, 5, 10, 20, 1801, 2003, 3602, 4006, 7204, 8012, 9005, 10015, 18010, 20030, 36020, 40060, 3607403, 7214806, 14429612, 18037015, 36074030, 72148060]

約数ペア:

[(1, 72148060), (2, 36074030), (4, 18037015), (5, 14429612), (10, 7214806), (20, 3607403), (1801, 40060), (2003, 36020), (3602, 20030), (4006, 18010), (7204, 10015), (8012, 9005)]