72830840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21937}}^1$

素因数の和:22031

約数の個数: 32

約数和(自身を含む): 165851280

約数和(自身を除く): 93020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21937, 43874, 87748, 109685, 175496, 219370, 438740, 877480, 1820771, 3641542, 7283084, 9103855, 14566168, 18207710, 36415420, 72830840]

約数ペア:

[(1, 72830840), (2, 36415420), (4, 18207710), (5, 14566168), (8, 9103855), (10, 7283084), (20, 3641542), (40, 1820771), (83, 877480), (166, 438740), (332, 219370), (415, 175496), (664, 109685), (830, 87748), (1660, 43874), (3320, 21937)]