87665890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7577}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 171869040

約数和(自身を除く): 84203150

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7577, 11570, 15154, 37885, 75770, 98501, 197002, 492505, 674353, 985010, 1348706, 3371765, 6743530, 8766589, 17533178, 43832945, 87665890]

約数ペア:

[(1, 87665890), (2, 43832945), (5, 17533178), (10, 8766589), (13, 6743530), (26, 3371765), (65, 1348706), (89, 985010), (130, 674353), (178, 492505), (445, 197002), (890, 98501), (1157, 75770), (2314, 37885), (5785, 15154), (7577, 11570)]