81487510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7043}}^1$

素因数の和:7152

約数の個数: 32

約数和(自身を含む): 159757920

約数和(自身を除く): 78270410

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7043, 11570, 14086, 35215, 70430, 91559, 183118, 457795, 626827, 915590, 1253654, 3134135, 6268270, 8148751, 16297502, 40743755, 81487510]

約数ペア:

[(1, 81487510), (2, 40743755), (5, 16297502), (10, 8148751), (13, 6268270), (26, 3134135), (65, 1253654), (89, 915590), (130, 626827), (178, 457795), (445, 183118), (890, 91559), (1157, 70430), (2314, 35215), (5785, 14086), (7043, 11570)]