72401200

素因数分解:

$2^4\times 5^2\times {\mathrm{181003}}^1$

素因数の和:181021

約数の個数: 30

約数和(自身を含む): 173944844

約数和(自身を除く): 101543644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 181003, 362006, 724012, 905015, 1448024, 1810030, 2896048, 3620060, 4525075, 7240120, 9050150, 14480240, 18100300, 36200600, 72401200]

約数ペア:

[(1, 72401200), (2, 36200600), (4, 18100300), (5, 14480240), (8, 9050150), (10, 7240120), (16, 4525075), (20, 3620060), (25, 2896048), (40, 1810030), (50, 1448024), (80, 905015), (100, 724012), (200, 362006), (400, 181003)]