87309680

素因数分解:

$2^4\times 5^1\times {\mathrm{1091371}}^1$

素因数の和:1091384

約数の個数: 20

約数和(自身を含む): 202995192

約数和(自身を除く): 115685512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091371, 2182742, 4365484, 5456855, 8730968, 10913710, 17461936, 21827420, 43654840, 87309680]

約数ペア:

[(1, 87309680), (2, 43654840), (4, 21827420), (5, 17461936), (8, 10913710), (10, 8730968), (16, 5456855), (20, 4365484), (40, 2182742), (80, 1091371)]