90513575

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 114690576

約数和(自身を除く): 24177001

約数列:

[1, 5, 25, 83, 181, 241, 415, 905, 1205, 2075, 4525, 6025, 15023, 20003, 43621, 75115, 100015, 218105, 375575, 500075, 1090525, 3620543, 18102715, 90513575]

約数ペア:

[(1, 90513575), (5, 18102715), (25, 3620543), (83, 1090525), (181, 500075), (241, 375575), (415, 218105), (905, 100015), (1205, 75115), (2075, 43621), (4525, 20003), (6025, 15023)]