13013120

素因数分解:

$2^7\times 5^1\times {\mathrm{20333}}^1$

素因数の和:20352

約数の個数: 32

約数和(自身を含む): 31111020

約数和(自身を除く): 18097900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20333, 40666, 81332, 101665, 162664, 203330, 325328, 406660, 650656, 813320, 1301312, 1626640, 2602624, 3253280, 6506560, 13013120]

約数ペア:

[(1, 13013120), (2, 6506560), (4, 3253280), (5, 2602624), (8, 1626640), (10, 1301312), (16, 813320), (20, 650656), (32, 406660), (40, 325328), (64, 203330), (80, 162664), (128, 101665), (160, 81332), (320, 40666), (640, 20333)]