15532280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4363}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 35348400

約数和(自身を除く): 19816120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4363, 8726, 17452, 21815, 34904, 43630, 87260, 174520, 388307, 776614, 1553228, 1941535, 3106456, 3883070, 7766140, 15532280]

約数ペア:

[(1, 15532280), (2, 7766140), (4, 3883070), (5, 3106456), (8, 1941535), (10, 1553228), (20, 776614), (40, 388307), (89, 174520), (178, 87260), (356, 43630), (445, 34904), (712, 21815), (890, 17452), (1780, 8726), (3560, 4363)]