5450360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 12409200

約数和(自身を除く): 6958840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1531, 1780, 3062, 3560, 6124, 7655, 12248, 15310, 30620, 61240, 136259, 272518, 545036, 681295, 1090072, 1362590, 2725180, 5450360]

約数ペア:

[(1, 5450360), (2, 2725180), (4, 1362590), (5, 1090072), (8, 681295), (10, 545036), (20, 272518), (40, 136259), (89, 61240), (178, 30620), (356, 15310), (445, 12248), (712, 7655), (890, 6124), (1531, 3560), (1780, 3062)]