72575920

素因数分解:

$2^4\times 5^1\times {\mathrm{907199}}^1$

素因数の和:907212

約数の個数: 20

約数和(自身を含む): 168739200

約数和(自身を除く): 96163280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907199, 1814398, 3628796, 4535995, 7257592, 9071990, 14515184, 18143980, 36287960, 72575920]

約数ペア:

[(1, 72575920), (2, 36287960), (4, 18143980), (5, 14515184), (8, 9071990), (10, 7257592), (16, 4535995), (20, 3628796), (40, 1814398), (80, 907199)]